120-3x=24x+21

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Solution for 120-3x=24x+21 equation:


Simplifying
120 + -3x = 24x + 21

Reorder the terms:
120 + -3x = 21 + 24x

Solving
120 + -3x = 21 + 24x

Solving for variable 'x'.

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

Add '-24x' to each side of the equation.
120 + -3x + -24x = 21 + 24x + -24x

Combine like terms: -3x + -24x = -27x
120 + -27x = 21 + 24x + -24x

Combine like terms: 24x + -24x = 0
120 + -27x = 21 + 0
120 + -27x = 21

Add '-120' to each side of the equation.
120 + -120 + -27x = 21 + -120

Combine like terms: 120 + -120 = 0
0 + -27x = 21 + -120
-27x = 21 + -120

Combine like terms: 21 + -120 = -99
-27x = -99

Divide each side by '-27'.
x = 3.666666667

Simplifying
x = 3.666666667

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