3x-57=81

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Solution for 3x-57=81 equation:


Simplifying
3x + -57 = 81

Reorder the terms:
-57 + 3x = 81

Solving
-57 + 3x = 81

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 = 81 + 57

Combine like terms: -57 + 57 = 0
0 + 3x = 81 + 57
3x = 81 + 57

Combine like terms: 81 + 57 = 138
3x = 138

Divide each side by '3'.
x = 46

Simplifying
x = 46

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