-x-4x=-7-8

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Solution for -x-4x=-7-8 equation: 


Simplifying
-1x + -4x = -7 + -8

Combine like terms: -1x + -4x = -5x
-5x = -7 + -8

Combine like terms: -7 + -8 = -15
-5x = -15

Solving
-5x = -15

Solving for variable 'x'.

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

Divide each side by '-5'.
x = 3

Simplifying
x = 3

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