(72-18x)+(6x+12)=324

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Solution for (72-18x)+(6x+12)=324 equation:


Simplifying
(72 + -18x) + (6x + 12) = 324

Remove parenthesis around (72 + -18x)
72 + -18x + (6x + 12) = 324

Reorder the terms:
72 + -18x + (12 + 6x) = 324

Remove parenthesis around (12 + 6x)
72 + -18x + 12 + 6x = 324

Reorder the terms:
72 + 12 + -18x + 6x = 324

Combine like terms: 72 + 12 = 84
84 + -18x + 6x = 324

Combine like terms: -18x + 6x = -12x
84 + -12x = 324

Solving
84 + -12x = 324

Solving for variable 'x'.

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

Add '-84' to each side of the equation.
84 + -84 + -12x = 324 + -84

Combine like terms: 84 + -84 = 0
0 + -12x = 324 + -84
-12x = 324 + -84

Combine like terms: 324 + -84 = 240
-12x = 240

Divide each side by '-12'.
x = -20

Simplifying
x = -20

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