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(2a+3b)+(3a+2b)=9+16=25

5a+5b=25 so a+b=5

(3a+2b)-(2a+3b)=16-9=7

a-b=7

a+b=5 and a-b=7 so a=6 and b=-1 therefore 3a-2b=20

Posted on Oct 10, 2010

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Posted on Jan 02, 2017

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To solve a system of equations, there are two algebraic ways to solve them, one is by substitution, while the other is elimination.

1) 2a + 3b + 5 = 0

2) 2a + 4b + 10 = 0

-----------------------

-b -5 = 0 (subtract 2 from 1)

+b-b-5 = b

-5 = b

Substitute into 1) to solve for a.

2a + 3(-5) + 5 = 0

2a -15 + 5 = 0

2a -10 = 0

2a -10 + 10 = 10

2a = 10

---- ----

2 2

a=5

Substitute into 2) to check if we did it correctly.

2(5) + 4(-5) + 10 = 0

10 -20 + 10 = 0

0=0

Good luck.

Paul

1) 2a + 3b + 5 = 0

2) 2a + 4b + 10 = 0

-----------------------

-b -5 = 0 (subtract 2 from 1)

+b-b-5 = b

-5 = b

Substitute into 1) to solve for a.

2a + 3(-5) + 5 = 0

2a -15 + 5 = 0

2a -10 = 0

2a -10 + 10 = 10

2a = 10

---- ----

2 2

a=5

Substitute into 2) to check if we did it correctly.

2(5) + 4(-5) + 10 = 0

10 -20 + 10 = 0

0=0

Good luck.

Paul

Feb 10, 2015 | Office Equipment & Supplies

a / b = 6 / 2 so 2a = 6b or a = 3b

a + b = 112 so 3b + b = 112 so 4b = 112 and b = 28, a = 84

a + b = 112 so 3b + b = 112 so 4b = 112 and b = 28, a = 84

May 14, 2014 | The Learning Company Achieve! Math &...

what year? the cyl config changed 2002/2003 depends on vin no. I think early engines rh bank 1a 2a 3a 4a lh bank 1b 2b 3b 4b later engines rh 1357 lh 2468

Jan 17, 2014 | Jaguar S-Type Cars & Trucks

-3(b-4)=-2b

Hence -3b+12 = -2b

12 = 3b-2b

b = 12

Hence -3b+12 = -2b

12 = 3b-2b

b = 12

Mar 13, 2013 | Mathsoft Computers & Internet

http://www.456fis.org/SPITFIRE_ENGINES.htm

Feb 03, 2013 | Cars & Trucks

I believe that the algebraic expression should be written as:

(a + 2b)(a^2 - 2ab - 4b^2)

which can be rewritten as:

(a + 2b)^2 * (a - 2b)

The simplified form of this expression is:

(a^3 - 2a^2b - 4ab^2 + 2a^2b - 4ab^2 - 8b^3)

which can then be further simplified as:

(a^3 - 8b^3)

(a + 2b)(a^2 - 2ab - 4b^2)

which can be rewritten as:

(a + 2b)^2 * (a - 2b)

The simplified form of this expression is:

(a^3 - 2a^2b - 4ab^2 + 2a^2b - 4ab^2 - 8b^3)

which can then be further simplified as:

(a^3 - 8b^3)

Aug 24, 2011 | Bagatrix Algebra Solved! 2005 (105101) for...

1a-6b-5a-2b-3a-4b-6a-1b-2a-5b-4a-3b idle 4deg a.t.d.c. hope this helps

Apr 28, 2011 | Jaguar Xk Series Cars & Trucks

V6 is 1,2,3 on the right and 4,5,6 on the left....Firing order is 1,4,2,5,3,6

V8 is 1,2,3,4, on the right and 5,6,7,8, on the left.....Firing order is 1,5,4,2,6,3,7,8

Jaguar labels this as 1A,2A,3A,4A on the right and 1B,2B,3B,4B on the left and the firing order is 1A,1B,4A,2A,2B,3A,3B,4B

V8 is 1,2,3,4, on the right and 5,6,7,8, on the left.....Firing order is 1,5,4,2,6,3,7,8

Jaguar labels this as 1A,2A,3A,4A on the right and 1B,2B,3B,4B on the left and the firing order is 1A,1B,4A,2A,2B,3A,3B,4B

Mar 19, 2011 | 1998 Jaguar XJ8L

To communicate two devices with RS-232 ports, at hardware side you'll need 3 wires, Tx, Rx and GND, with DB 9 connectors at both sides ( A & B ) you have to connect 2A to 3B, 3A to 2B, 5A to 5B, if side A is DB-9 and B side is DB-25 the connections are 2A to 2A, 3A to 3B, 5A to 7B, at software level you'll have to setup ports as hardware handshake none, of course, working at the same parameters (speed, data bits,parity).

Feb 16, 2011 | Computers & Internet

C = 3B = 2(A+B)

3/2 B = A+B

1/2B = A

C = 2 (1/2B + B)

C = 3B

**A = 1/2B

C = 3B

B = B

1/2B + 3B + B = 4 1/2 B

180/4.5B => B = 40

If B = 40, then A = 1/2B = 20 and C = 3B = 120.

**answer: A = 20 degrees, B = 40 degrees and C = 120 degrees.

3/2 B = A+B

1/2B = A

C = 2 (1/2B + B)

C = 3B

**A = 1/2B

C = 3B

B = B

1/2B + 3B + B = 4 1/2 B

180/4.5B => B = 40

If B = 40, then A = 1/2B = 20 and C = 3B = 120.

**answer: A = 20 degrees, B = 40 degrees and C = 120 degrees.

Jun 27, 2008 | Super Tutor Trigonometry (ESDTRIG) for PC

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Hmm, sounds pretty simple. Why are you asking us??

Hmm, sounds pretty simple. Why are you asking us??

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