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 = -18
X = -18

Simplifying
X = -18

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