5x+8=-100-7x

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Solution for 5x+8=-100-7x equation:


Simplifying
5x + 8 = -100 + -7x

Reorder the terms:
8 + 5x = -100 + -7x

Solving
8 + 5x = -100 + -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.
8 + 5x + 7x = -100 + -7x + 7x

Combine like terms: 5x + 7x = 12x
8 + 12x = -100 + -7x + 7x

Combine like terms: -7x + 7x = 0
8 + 12x = -100 + 0
8 + 12x = -100

Add '-8' to each side of the equation.
8 + -8 + 12x = -100 + -8

Combine like terms: 8 + -8 = 0
0 + 12x = -100 + -8
12x = -100 + -8

Combine like terms: -100 + -8 = -108
12x = -108

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

Simplifying
x = -9

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