10-2+x=20

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Solution for 10-2+x=20 equation: 


Simplifying
10 + -2 + x = 20

Combine like terms: 10 + -2 = 8
8 + x = 20

Solving
8 + x = 20

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + x = 20 + -8

Combine like terms: 8 + -8 = 0
0 + x = 20 + -8
x = 20 + -8

Combine like terms: 20 + -8 = 12
x = 12

Simplifying
x = 12

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