12x-72=6x-42

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Solution for 12x-72=6x-42 equation:


Simplifying
12x + -72 = 6x + -42

Reorder the terms:
-72 + 12x = 6x + -42

Reorder the terms:
-72 + 12x = -42 + 6x

Solving
-72 + 12x = -42 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
-72 + 12x + -6x = -42 + 6x + -6x

Combine like terms: 12x + -6x = 6x
-72 + 6x = -42 + 6x + -6x

Combine like terms: 6x + -6x = 0
-72 + 6x = -42 + 0
-72 + 6x = -42

Add '72' to each side of the equation.
-72 + 72 + 6x = -42 + 72

Combine like terms: -72 + 72 = 0
0 + 6x = -42 + 72
6x = -42 + 72

Combine like terms: -42 + 72 = 30
6x = 30

Divide each side by '6'.
x = 5

Simplifying
x = 5

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