8+7x+2x=-100

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Solution for 8+7x+2x=-100 equation: 


Simplifying
8 + 7x + 2x = -100

Combine like terms: 7x + 2x = 9x
8 + 9x = -100

Solving
8 + 9x = -100

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 9x = -100 + -8

Combine like terms: 8 + -8 = 0
0 + 9x = -100 + -8
9x = -100 + -8

Combine like terms: -100 + -8 = -108
9x = -108

Divide each side by '9'.
x = -12

Simplifying
x = -12

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