8+x-2=18

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Solution for 8+x-2=18 equation: 


Simplifying
8 + x + -2 = 18

Reorder the terms:
8 + -2 + x = 18

Combine like terms: 8 + -2 = 6
6 + x = 18

Solving
6 + x = 18

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + x = 18 + -6

Combine like terms: 6 + -6 = 0
0 + x = 18 + -6
x = 18 + -6

Combine like terms: 18 + -6 = 12
x = 12

Simplifying
x = 12

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