18-3x+12=57

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Solution for 18-3x+12=57 equation:


Simplifying
18 + -3x + 12 = 57

Reorder the terms:
18 + 12 + -3x = 57

Combine like terms: 18 + 12 = 30
30 + -3x = 57

Solving
30 + -3x = 57

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + -3x = 57 + -30

Combine like terms: 30 + -30 = 0
0 + -3x = 57 + -30
-3x = 57 + -30

Combine like terms: 57 + -30 = 27
-3x = 27

Divide each side by '-3'.
x = -9

Simplifying
x = -9

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