x+40=3x+125

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Solution for x+40=3x+125 equation: 


Simplifying
x + 40 = 3x + 125

Reorder the terms:
40 + x = 3x + 125

Reorder the terms:
40 + x = 125 + 3x

Solving
40 + x = 125 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
40 + x + -3x = 125 + 3x + -3x

Combine like terms: x + -3x = -2x
40 + -2x = 125 + 3x + -3x

Combine like terms: 3x + -3x = 0
40 + -2x = 125 + 0
40 + -2x = 125

Add '-40' to each side of the equation.
40 + -40 + -2x = 125 + -40

Combine like terms: 40 + -40 = 0
0 + -2x = 125 + -40
-2x = 125 + -40

Combine like terms: 125 + -40 = 85
-2x = 85

Divide each side by '-2'.
x = -42.5

Simplifying
x = -42.5

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