7-7x+12x=-13

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Solution for 7-7x+12x=-13 equation: 


Simplifying
7 + -7x + 12x = -13

Combine like terms: -7x + 12x = 5x
7 + 5x = -13

Solving
7 + 5x = -13

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 + 5x = -13 + -7

Combine like terms: 7 + -7 = 0
0 + 5x = -13 + -7
5x = -13 + -7

Combine like terms: -13 + -7 = -20
5x = -20

Divide each side by '5'.
x = -4

Simplifying
x = -4

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