3+7x+6x=159

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Solution for 3+7x+6x=159 equation: 


Simplifying
3 + 7x + 6x = 159

Combine like terms: 7x + 6x = 13x
3 + 13x = 159

Solving
3 + 13x = 159

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 13x = 159 + -3

Combine like terms: 3 + -3 = 0
0 + 13x = 159 + -3
13x = 159 + -3

Combine like terms: 159 + -3 = 156
13x = 156

Divide each side by '13'.
x = 12

Simplifying
x = 12

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