3(x+y)-4(x+y)=

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Solution for 3(x+y)-4(x+y)= equation: 


Simplifying
3(x + y) + -4(x + y) = 0
(x * 3 + y * 3) + -4(x + y) = 0
(3x + 3y) + -4(x + y) = 0
3x + 3y + (x * -4 + y * -4) = 0
3x + 3y + (-4x + -4y) = 0

Reorder the terms:
3x + -4x + 3y + -4y = 0

Combine like terms: 3x + -4x = -1x
-1x + 3y + -4y = 0

Combine like terms: 3y + -4y = -1y
-1x + -1y = 0

Solving
-1x + -1y = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add 'y' to each side of the equation.
-1x + -1y + y = 0 + y

Combine like terms: -1y + y = 0
-1x + 0 = 0 + y
-1x = 0 + y
Remove the zero:
-1x = y

Divide each side by '-1'.
x = -1y

Simplifying
x = -1y

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