-7-12=9x+-4-8x

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Solution for -7-12=9x+-4-8x equation:


Simplifying
-7 + -12 = 9x + -4 + -8x

Combine like terms: -7 + -12 = -19
-19 = 9x + -4 + -8x

Reorder the terms:
-19 = -4 + 9x + -8x

Combine like terms: 9x + -8x = 1x
-19 = -4 + 1x

Solving
-19 = -4 + 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-19 + -1x = -4 + 1x + -1x

Combine like terms: 1x + -1x = 0
-19 + -1x = -4 + 0
-19 + -1x = -4

Add '19' to each side of the equation.
-19 + 19 + -1x = -4 + 19

Combine like terms: -19 + 19 = 0
0 + -1x = -4 + 19
-1x = -4 + 19

Combine like terms: -4 + 19 = 15
-1x = 15

Divide each side by '-1'.
x = -15

Simplifying
x = -15

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