7x+7=12x-13

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


Simplifying
7x + 7 = 12x + -13

Reorder the terms:
7 + 7x = 12x + -13

Reorder the terms:
7 + 7x = -13 + 12x

Solving
7 + 7x = -13 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
7 + 7x + -12x = -13 + 12x + -12x

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

Combine like terms: 12x + -12x = 0
7 + -5x = -13 + 0
7 + -5x = -13

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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