125=x+3x+(x-5)

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Solution for 125=x+3x+(x-5) equation:


Simplifying
125 = x + 3x + (x + -5)

Reorder the terms:
125 = x + 3x + (-5 + x)

Remove parenthesis around (-5 + x)
125 = x + 3x + -5 + x

Reorder the terms:
125 = -5 + x + 3x + x

Combine like terms: x + 3x = 4x
125 = -5 + 4x + x

Combine like terms: 4x + x = 5x
125 = -5 + 5x

Solving
125 = -5 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
125 + -5x = -5 + 5x + -5x

Combine like terms: 5x + -5x = 0
125 + -5x = -5 + 0
125 + -5x = -5

Add '-125' to each side of the equation.
125 + -125 + -5x = -5 + -125

Combine like terms: 125 + -125 = 0
0 + -5x = -5 + -125
-5x = -5 + -125

Combine like terms: -5 + -125 = -130
-5x = -130

Divide each side by '-5'.
x = 26

Simplifying
x = 26

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