3x+57=120

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Solution for 3x+57=120 equation: 


Simplifying
3x + 57 = 120

Reorder the terms:
57 + 3x = 120

Solving
57 + 3x = 120

Solving for variable 'x'.

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

Add '-57' to each side of the equation.
57 + -57 + 3x = 120 + -57

Combine like terms: 57 + -57 = 0
0 + 3x = 120 + -57
3x = 120 + -57

Combine like terms: 120 + -57 = 63
3x = 63

Divide each side by '3'.
x = 21

Simplifying
x = 21

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