3x-72=18

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Solution for 3x-72=18 equation: 


Simplifying
3x + -72 = 18

Reorder the terms:
-72 + 3x = 18

Solving
-72 + 3x = 18

Solving for variable 'x'.

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

Add '72' to each side of the equation.
-72 + 72 + 3x = 18 + 72

Combine like terms: -72 + 72 = 0
0 + 3x = 18 + 72
3x = 18 + 72

Combine like terms: 18 + 72 = 90
3x = 90

Divide each side by '3'.
x = 30

Simplifying
x = 30

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