x-72=3(x-72)

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Solution for x-72=3(x-72) equation:


Simplifying
x + -72 = 3(x + -72)

Reorder the terms:
-72 + x = 3(x + -72)

Reorder the terms:
-72 + x = 3(-72 + x)
-72 + x = (-72 * 3 + x * 3)
-72 + x = (-216 + 3x)

Solving
-72 + x = -216 + 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 + x + -3x = -216 + 3x + -3x

Combine like terms: x + -3x = -2x
-72 + -2x = -216 + 3x + -3x

Combine like terms: 3x + -3x = 0
-72 + -2x = -216 + 0
-72 + -2x = -216

Add '72' to each side of the equation.
-72 + 72 + -2x = -216 + 72

Combine like terms: -72 + 72 = 0
0 + -2x = -216 + 72
-2x = -216 + 72

Combine like terms: -216 + 72 = -144
-2x = -144

Divide each side by '-2'.
x = 72

Simplifying
x = 72

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