-80+x+12x=115

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Solution for -80+x+12x=115 equation: 


Simplifying
-80 + x + 12x = 115

Combine like terms: x + 12x = 13x
-80 + 13x = 115

Solving
-80 + 13x = 115

Solving for variable 'x'.

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

Add '80' to each side of the equation.
-80 + 80 + 13x = 115 + 80

Combine like terms: -80 + 80 = 0
0 + 13x = 115 + 80
13x = 115 + 80

Combine like terms: 115 + 80 = 195
13x = 195

Divide each side by '13'.
x = 15

Simplifying
x = 15

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