-7x-8x=15

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Solution for -7x-8x=15 equation: 


Simplifying
-7x + -8x = 15

Combine like terms: -7x + -8x = -15x
-15x = 15

Solving
-15x = 15

Solving for variable 'x'.

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

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

Simplifying
x = -1

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