3x+-45=57

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Solution for 3x+-45=57 equation: 


Simplifying
3x + -45 = 57

Reorder the terms:
-45 + 3x = 57

Solving
-45 + 3x = 57

Solving for variable 'x'.

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

Add '45' to each side of the equation.
-45 + 45 + 3x = 57 + 45

Combine like terms: -45 + 45 = 0
0 + 3x = 57 + 45
3x = 57 + 45

Combine like terms: 57 + 45 = 102
3x = 102

Divide each side by '3'.
x = 34

Simplifying
x = 34

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