x-30=12

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Solution for x-30=12 equation: 


Simplifying
x + -30 = 12

Reorder the terms:
-30 + x = 12

Solving
-30 + x = 12

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 + x = 12 + 30

Combine like terms: -30 + 30 = 0
0 + x = 12 + 30
x = 12 + 30

Combine like terms: 12 + 30 = 42
x = 42

Simplifying
x = 42

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