12=-x-4y

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Solution for 12=-x-4y equation:


Simplifying
12 = -1x + -4y

Solving
12 = -1x + -4y

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
12 + x = -1x + x + -4y

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

Add '-12' to each side of the equation.
12 + -12 + x = -12 + -4y

Combine like terms: 12 + -12 = 0
0 + x = -12 + -4y
x = -12 + -4y

Simplifying
x = -12 + -4y

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