-12x-7=9-8x

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Solution for -12x-7=9-8x equation:


Simplifying
-12x + -7 = 9 + -8x

Reorder the terms:
-7 + -12x = 9 + -8x

Solving
-7 + -12x = 9 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
-7 + -12x + 8x = 9 + -8x + 8x

Combine like terms: -12x + 8x = -4x
-7 + -4x = 9 + -8x + 8x

Combine like terms: -8x + 8x = 0
-7 + -4x = 9 + 0
-7 + -4x = 9

Add '7' to each side of the equation.
-7 + 7 + -4x = 9 + 7

Combine like terms: -7 + 7 = 0
0 + -4x = 9 + 7
-4x = 9 + 7

Combine like terms: 9 + 7 = 16
-4x = 16

Divide each side by '-4'.
x = -4

Simplifying
x = -4

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