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

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Solution for 12(x+y)-3(x+y)= equation:


Simplifying
12(x + y) + -3(x + y) = 0
(x * 12 + y * 12) + -3(x + y) = 0
(12x + 12y) + -3(x + y) = 0
12x + 12y + (x * -3 + y * -3) = 0
12x + 12y + (-3x + -3y) = 0

Reorder the terms:
12x + -3x + 12y + -3y = 0

Combine like terms: 12x + -3x = 9x
9x + 12y + -3y = 0

Combine like terms: 12y + -3y = 9y
9x + 9y = 0

Solving
9x + 9y = 0

Solving for variable 'x'.

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

Add '-9y' to each side of the equation.
9x + 9y + -9y = 0 + -9y

Combine like terms: 9y + -9y = 0
9x + 0 = 0 + -9y
9x = 0 + -9y
Remove the zero:
9x = -9y

Divide each side by '9'.
x = -1y

Simplifying
x = -1y

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