12x-2x=30-20

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Solution for 12x-2x=30-20 equation: 


Simplifying
12x + -2x = 30 + -20

Combine like terms: 12x + -2x = 10x
10x = 30 + -20

Combine like terms: 30 + -20 = 10
10x = 10

Solving
10x = 10

Solving for variable 'x'.

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

Divide each side by '10'.
x = 1

Simplifying
x = 1

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