72(3+x)=648

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Solution for 72(3+x)=648 equation: 


Simplifying
72(3 + x) = 648
(3 * 72 + x * 72) = 648
(216 + 72x) = 648

Solving
216 + 72x = 648

Solving for variable 'x'.

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

Add '-216' to each side of the equation.
216 + -216 + 72x = 648 + -216

Combine like terms: 216 + -216 = 0
0 + 72x = 648 + -216
72x = 648 + -216

Combine like terms: 648 + -216 = 432
72x = 432

Divide each side by '72'.
x = 6

Simplifying
x = 6

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