(X)=(X+9)+(X+9-3)

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Solution for (X)=(X+9)+(X+9-3) equation:


Simplifying
(X) = (X + 9) + (X + 9 + -3)
X = (X + 9) + (X + 9 + -3)

Reorder the terms:
X = (9 + X) + (X + 9 + -3)

Remove parenthesis around (9 + X)
X = 9 + X + (X + 9 + -3)

Reorder the terms:
X = 9 + X + (9 + -3 + X)

Combine like terms: 9 + -3 = 6
X = 9 + X + (6 + X)

Remove parenthesis around (6 + X)
X = 9 + X + 6 + X

Reorder the terms:
X = 9 + 6 + X + X

Combine like terms: 9 + 6 = 15
X = 15 + X + X

Combine like terms: X + X = 2X
X = 15 + 2X

Solving
X = 15 + 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.
X + -2X = 15 + 2X + -2X

Combine like terms: X + -2X = -1X
-1X = 15 + 2X + -2X

Combine like terms: 2X + -2X = 0
-1X = 15 + 0
-1X = 15

Divide each side by '-1'.
X = -15

Simplifying
X = -15

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