20-12-x=38

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Solution for 20-12-x=38 equation: 


Simplifying
20 + -12 + -1x = 38

Combine like terms: 20 + -12 = 8
8 + -1x = 38

Solving
8 + -1x = 38

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 + -1x = 38 + -8

Combine like terms: 8 + -8 = 0
0 + -1x = 38 + -8
-1x = 38 + -8

Combine like terms: 38 + -8 = 30
-1x = 30

Divide each side by '-1'.
x = -30

Simplifying
x = -30

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