129=x+2x+(x+25)

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Solution for 129=x+2x+(x+25) equation:


Simplifying
129 = x + 2x + (x + 25)

Reorder the terms:
129 = x + 2x + (25 + x)

Remove parenthesis around (25 + x)
129 = x + 2x + 25 + x

Reorder the terms:
129 = 25 + x + 2x + x

Combine like terms: x + 2x = 3x
129 = 25 + 3x + x

Combine like terms: 3x + x = 4x
129 = 25 + 4x

Solving
129 = 25 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
129 + -4x = 25 + 4x + -4x

Combine like terms: 4x + -4x = 0
129 + -4x = 25 + 0
129 + -4x = 25

Add '-129' to each side of the equation.
129 + -129 + -4x = 25 + -129

Combine like terms: 129 + -129 = 0
0 + -4x = 25 + -129
-4x = 25 + -129

Combine like terms: 25 + -129 = -104
-4x = -104

Divide each side by '-4'.
x = 26

Simplifying
x = 26

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