-15=-7x-8

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


Simplifying
-15 = -7x + -8

Reorder the terms:
-15 = -8 + -7x

Solving
-15 = -8 + -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.
-15 + 7x = -8 + -7x + 7x

Combine like terms: -7x + 7x = 0
-15 + 7x = -8 + 0
-15 + 7x = -8

Add '15' to each side of the equation.
-15 + 15 + 7x = -8 + 15

Combine like terms: -15 + 15 = 0
0 + 7x = -8 + 15
7x = -8 + 15

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

Divide each side by '7'.
x = 1

Simplifying
x = 1

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