7-2x-8=-7

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Solution for 7-2x-8=-7 equation: 


Simplifying
7 + -2x + -8 = -7

Reorder the terms:
7 + -8 + -2x = -7

Combine like terms: 7 + -8 = -1
-1 + -2x = -7

Solving
-1 + -2x = -7

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + -2x = -7 + 1

Combine like terms: -1 + 1 = 0
0 + -2x = -7 + 1
-2x = -7 + 1

Combine like terms: -7 + 1 = -6
-2x = -6

Divide each side by '-2'.
x = 3

Simplifying
x = 3

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