X+(1+x)+(2+x)=120

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Solution for X+(1+x)+(2+x)=120 equation:


Simplifying
X + (1 + x) + (2 + x) = 120

Remove parenthesis around (1 + x)
X + 1 + x + (2 + x) = 120

Remove parenthesis around (2 + x)
X + 1 + x + 2 + x = 120

Reorder the terms:
1 + 2 + X + x + x = 120

Combine like terms: 1 + 2 = 3
3 + X + x + x = 120

Combine like terms: x + x = 2x
3 + X + 2x = 120

Solving
3 + X + 2x = 120

Solving for variable 'X'.

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

Add '-3' to each side of the equation.
3 + X + -3 + 2x = 120 + -3

Reorder the terms:
3 + -3 + X + 2x = 120 + -3

Combine like terms: 3 + -3 = 0
0 + X + 2x = 120 + -3
X + 2x = 120 + -3

Combine like terms: 120 + -3 = 117
X + 2x = 117

Add '-2x' to each side of the equation.
X + 2x + -2x = 117 + -2x

Combine like terms: 2x + -2x = 0
X + 0 = 117 + -2x
X = 117 + -2x

Simplifying
X = 117 + -2x

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