57-3x=39

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Solution for 57-3x=39 equation: 


Simplifying
57 + -3x = 39

Solving
57 + -3x = 39

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 = 39 + -57

Combine like terms: 57 + -57 = 0
0 + -3x = 39 + -57
-3x = 39 + -57

Combine like terms: 39 + -57 = -18
-3x = -18

Divide each side by '-3'.
x = 6

Simplifying
x = 6

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