12x-72=63+3x

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Solution for 12x-72=63+3x equation:


Simplifying
12x + -72 = 63 + 3x

Reorder the terms:
-72 + 12x = 63 + 3x

Solving
-72 + 12x = 63 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-72 + 12x + -3x = 63 + 3x + -3x

Combine like terms: 12x + -3x = 9x
-72 + 9x = 63 + 3x + -3x

Combine like terms: 3x + -3x = 0
-72 + 9x = 63 + 0
-72 + 9x = 63

Add '72' to each side of the equation.
-72 + 72 + 9x = 63 + 72

Combine like terms: -72 + 72 = 0
0 + 9x = 63 + 72
9x = 63 + 72

Combine like terms: 63 + 72 = 135
9x = 135

Divide each side by '9'.
x = 15

Simplifying
x = 15

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