2x+x+13+x=129

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Solution for 2x+x+13+x=129 equation:


Simplifying
2x + x + 13 + x = 129

Reorder the terms:
13 + 2x + x + x = 129

Combine like terms: 2x + x = 3x
13 + 3x + x = 129

Combine like terms: 3x + x = 4x
13 + 4x = 129

Solving
13 + 4x = 129

Solving for variable 'x'.

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

Add '-13' to each side of the equation.
13 + -13 + 4x = 129 + -13

Combine like terms: 13 + -13 = 0
0 + 4x = 129 + -13
4x = 129 + -13

Combine like terms: 129 + -13 = 116
4x = 116

Divide each side by '4'.
x = 29

Simplifying
x = 29

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