-12x-3x=12-7x

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Solution for -12x-3x=12-7x equation: 


Simplifying
-12x + -3x = 12 + -7x

Combine like terms: -12x + -3x = -15x
-15x = 12 + -7x

Solving
-15x = 12 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
-15x + 7x = 12 + -7x + 7x

Combine like terms: -15x + 7x = -8x
-8x = 12 + -7x + 7x

Combine like terms: -7x + 7x = 0
-8x = 12 + 0
-8x = 12

Divide each side by '-8'.
x = -1.5

Simplifying
x = -1.5

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