125+3x=21x-75

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Solution for 125+3x=21x-75 equation:


Simplifying
125 + 3x = 21x + -75

Reorder the terms:
125 + 3x = -75 + 21x

Solving
125 + 3x = -75 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
125 + 3x + -21x = -75 + 21x + -21x

Combine like terms: 3x + -21x = -18x
125 + -18x = -75 + 21x + -21x

Combine like terms: 21x + -21x = 0
125 + -18x = -75 + 0
125 + -18x = -75

Add '-125' to each side of the equation.
125 + -125 + -18x = -75 + -125

Combine like terms: 125 + -125 = 0
0 + -18x = -75 + -125
-18x = -75 + -125

Combine like terms: -75 + -125 = -200
-18x = -200

Divide each side by '-18'.
x = 11.11111111

Simplifying
x = 11.11111111

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