Multiplying by factors (2) & (3) respectively gives.

6a+12b=150

6a+10b=132

therefore 2b = 18

b = 9

given 2a+4b=50 and b = 9

a = 7.

wassup now.

Posted on Oct 16, 2008

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Posted on Jan 02, 2017

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

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

Feb 03, 2013 | Cars & Trucks

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

(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

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

Oct 10, 2010 | Microsoft Windows XP Professional for PC

01 F9 94 B6 14 68 9B 07 D1

TRY THIS CODE FOR NTL

TRY THIS CODE FOR NTL

Jul 03, 2008 | Computers & Internet

TELEWEST 2ND JULY

00: A8 7C 45 DC 5B 92 44 F6

01: FA 4B 82 4C 6D C8 EA 8C

GOOD LUCK

00: A8 7C 45 DC 5B 92 44 F6

01: FA 4B 82 4C 6D C8 EA 8C

GOOD LUCK

Jul 02, 2008 | StarTech.com StarView SV211K 2-port KVM...

00=2f ee 05 09 a1 46 e7 ba

01=91 62 e0 7a d8 dd 6d 24 (new)

01=91 62 e0 7a d8 dd 6d 24 (new)

Jul 02, 2008 | StarTech.com StarView SV211K 2-port KVM...

digivox crashed do you have the codes thanx

Jul 01, 2008 | StarTech.com StarView SV211K 2-port KVM...

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