7x-8=-78

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Solution for 7x-8=-78 equation: 


Simplifying
7x + -8 = -78

Reorder the terms:
-8 + 7x = -78

Solving
-8 + 7x = -78

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 + 7x = -78 + 8

Combine like terms: -8 + 8 = 0
0 + 7x = -78 + 8
7x = -78 + 8

Combine like terms: -78 + 8 = -70
7x = -70

Divide each side by '7'.
x = -10

Simplifying
x = -10

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