5x-72=2x-9

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Solution for 5x-72=2x-9 equation:


Simplifying
5x + -72 = 2x + -9

Reorder the terms:
-72 + 5x = 2x + -9

Reorder the terms:
-72 + 5x = -9 + 2x

Solving
-72 + 5x = -9 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-72 + 5x + -2x = -9 + 2x + -2x

Combine like terms: 5x + -2x = 3x
-72 + 3x = -9 + 2x + -2x

Combine like terms: 2x + -2x = 0
-72 + 3x = -9 + 0
-72 + 3x = -9

Add '72' to each side of the equation.
-72 + 72 + 3x = -9 + 72

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

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

Divide each side by '3'.
x = 21

Simplifying
x = 21

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