SoftMath Algebrator - Algebra Homework Solver (689076614429) "2y" Questions

4x+8y=20 -4x+2y=-30 4x+8y=20 || /4 x+2y=5 x=5-2y -4x+2y=-30 || /2 -2x+y=-15 -2(5-2y)+y=-15 -10+4y+y=-15 5y=-5 y=-1 x=5-2y || y=-1 x=5-2(-1) x=5+2 x=7

solving systems of equations by elimination 3x+2y= 7 5x-2y= 1 is my problem. Hi joanmae jmeh; You can add these equations just like you would numbers 3x + 2y = 7 5x - 2y = 1 ----------------------- 8x

x-3y=5 3x-2y=1 2y - x = 3 x = 3y - 5 Add the two equations side by side, 2y - x + x = 3 + 3y - 5 2y = 3y - 2 y = 2 Plug this in the second equation to get x, x = 3(2) - 5 x = 1 So the solution is x = ...

2x-4y=8 simplify 2x-4y=8 => 2[x-2y]=8 => x-2y=8/2 => x-2y=4

coordinates 4x+2y=8 This is an equation of a straight line, and we can easily find the the coordinates where this line intersects the axis in following ways:- for x-axis:- put y=0, 4x+2*0=8 4x =8 x =8

2X+4Y=-8 2x + 4y = -8 ; divide each side by 2 x + 2y = -4 ; subtract x from both sides 2y = -4 - x ; rearrange 2y = -1x -4 ; divide each side by 2 y = -1/2x - 2 ; relate to slope/intercept form of ...

1/3x+y=0 3x+2y=7 please answer math.com (x+3y=0)*3=3x+9y y=1 x= -3 3x=2y ewan ko sa u

PLEASE HELP ME SOLVE THIS PROBLEM 7X+2Y=24 8X+2Y=30 x=3, y=1.5

...two numbers? Call them x and y x + y = 64 3 (x-y) = 30 so x = 64 - y and 3 (64 - y- y) = 30 64 - 2y = 10 2y = 54 y = 27 x = ...

...the smaller number added to five times the larger number is 53. Find the numbers So x-y = 5 5x + 2y = 53 x = y + 5, substitiuting 5(y + 5) + 2y = 53 7y + 25 = 53 y = 4 x = 4 + 5 = ...