-8-x-7x=64

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Solution for -8-x-7x=64 equation: 


Simplifying
-8 + -1x + -7x = 64

Combine like terms: -1x + -7x = -8x
-8 + -8x = 64

Solving
-8 + -8x = 64

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 + -8x = 64 + 8

Combine like terms: -8 + 8 = 0
0 + -8x = 64 + 8
-8x = 64 + 8

Combine like terms: 64 + 8 = 72
-8x = 72

Divide each side by '-8'.
x = -9

Simplifying
x = -9

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