x+2x+(x+17)=129

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Solution for x+2x+(x+17)=129 equation:


Simplifying
x + 2x + (x + 17) = 129

Reorder the terms:
x + 2x + (17 + x) = 129

Remove parenthesis around (17 + x)
x + 2x + 17 + x = 129

Reorder the terms:
17 + x + 2x + x = 129

Combine like terms: x + 2x = 3x
17 + 3x + x = 129

Combine like terms: 3x + x = 4x
17 + 4x = 129

Solving
17 + 4x = 129

Solving for variable 'x'.

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

Add '-17' to each side of the equation.
17 + -17 + 4x = 129 + -17

Combine like terms: 17 + -17 = 0
0 + 4x = 129 + -17
4x = 129 + -17

Combine like terms: 129 + -17 = 112
4x = 112

Divide each side by '4'.
x = 28

Simplifying
x = 28

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