-7+7x+x=57

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Solution for -7+7x+x=57 equation: 


Simplifying
-7 + 7x + x = 57

Combine like terms: 7x + x = 8x
-7 + 8x = 57

Solving
-7 + 8x = 57

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 8x = 57 + 7

Combine like terms: -7 + 7 = 0
0 + 8x = 57 + 7
8x = 57 + 7

Combine like terms: 57 + 7 = 64
8x = 64

Divide each side by '8'.
x = 8

Simplifying
x = 8

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