X+(X-9)=33

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Solution for X+(X-9)=33 equation:


Simplifying
X + (X + -9) = 33

Reorder the terms:
X + (-9 + X) = 33

Remove parenthesis around (-9 + X)
X + -9 + X = 33

Reorder the terms:
-9 + X + X = 33

Combine like terms: X + X = 2X
-9 + 2X = 33

Solving
-9 + 2X = 33

Solving for variable 'X'.

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

Add '9' to each side of the equation.
-9 + 9 + 2X = 33 + 9

Combine like terms: -9 + 9 = 0
0 + 2X = 33 + 9
2X = 33 + 9

Combine like terms: 33 + 9 = 42
2X = 42

Divide each side by '2'.
X = 21

Simplifying
X = 21

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