X+(x+11)+(x-2)=123

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Solution for X+(x+11)+(x-2)=123 equation:


Simplifying
X + (x + 11) + (x + -2) = 123

Reorder the terms:
X + (11 + x) + (x + -2) = 123

Remove parenthesis around (11 + x)
X + 11 + x + (x + -2) = 123

Reorder the terms:
X + 11 + x + (-2 + x) = 123

Remove parenthesis around (-2 + x)
X + 11 + x + -2 + x = 123

Reorder the terms:
11 + -2 + X + x + x = 123

Combine like terms: 11 + -2 = 9
9 + X + x + x = 123

Combine like terms: x + x = 2x
9 + X + 2x = 123

Solving
9 + X + 2x = 123

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 + X + -9 + 2x = 123 + -9

Reorder the terms:
9 + -9 + X + 2x = 123 + -9

Combine like terms: 9 + -9 = 0
0 + X + 2x = 123 + -9
X + 2x = 123 + -9

Combine like terms: 123 + -9 = 114
X + 2x = 114

Add '-2x' to each side of the equation.
X + 2x + -2x = 114 + -2x

Combine like terms: 2x + -2x = 0
X + 0 = 114 + -2x
X = 114 + -2x

Simplifying
X = 114 + -2x

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