12=-5x-7x

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Solution for 12=-5x-7x equation:


Simplifying
12 = -5x + -7x

Combine like terms: -5x + -7x = -12x
12 = -12x

Solving
12 = -12x

Solving for variable 'x'.

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

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

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

Add '-12' to each side of the equation.
12 + -12 + 12x = 0 + -12

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

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

Divide each side by '12'.
x = -1

Simplifying
x = -1

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