3x-57=42

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Solution for 3x-57=42 equation: 


Simplifying
3x + -57 = 42

Reorder the terms:
-57 + 3x = 42

Solving
-57 + 3x = 42

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 = 42 + 57

Combine like terms: -57 + 57 = 0
0 + 3x = 42 + 57
3x = 42 + 57

Combine like terms: 42 + 57 = 99
3x = 99

Divide each side by '3'.
x = 33

Simplifying
x = 33

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