-64+7x+6x=131

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Solution for -64+7x+6x=131 equation: 


Simplifying
-64 + 7x + 6x = 131

Combine like terms: 7x + 6x = 13x
-64 + 13x = 131

Solving
-64 + 13x = 131

Solving for variable 'x'.

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

Add '64' to each side of the equation.
-64 + 64 + 13x = 131 + 64

Combine like terms: -64 + 64 = 0
0 + 13x = 131 + 64
13x = 131 + 64

Combine like terms: 131 + 64 = 195
13x = 195

Divide each side by '13'.
x = 15

Simplifying
x = 15

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