2x-12=30

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Solution for 2x-12=30 equation: 


Simplifying
2x + -12 = 30

Reorder the terms:
-12 + 2x = 30

Solving
-12 + 2x = 30

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + 2x = 30 + 12

Combine like terms: -12 + 12 = 0
0 + 2x = 30 + 12
2x = 30 + 12

Combine like terms: 30 + 12 = 42
2x = 42

Divide each side by '2'.
x = 21

Simplifying
x = 21

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