-13=7-7x+12x

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


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

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

Solving
-13 = 7 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
-13 + -5x = 7 + 5x + -5x

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

Add '13' to each side of the equation.
-13 + 13 + -5x = 7 + 13

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

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

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

Simplifying
x = -4

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