324=2X+(X-84)

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Solution for 324=2X+(X-84) equation:


Simplifying
324 = 2X + (X + -84)

Reorder the terms:
324 = 2X + (-84 + X)

Remove parenthesis around (-84 + X)
324 = 2X + -84 + X

Reorder the terms:
324 = -84 + 2X + X

Combine like terms: 2X + X = 3X
324 = -84 + 3X

Solving
324 = -84 + 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.
324 + -3X = -84 + 3X + -3X

Combine like terms: 3X + -3X = 0
324 + -3X = -84 + 0
324 + -3X = -84

Add '-324' to each side of the equation.
324 + -324 + -3X = -84 + -324

Combine like terms: 324 + -324 = 0
0 + -3X = -84 + -324
-3X = -84 + -324

Combine like terms: -84 + -324 = -408
-3X = -408

Divide each side by '-3'.
X = 136

Simplifying
X = 136

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