-X+20=8

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Solution for -X+20=8 equation: 


Simplifying
-1X + 20 = 8

Reorder the terms:
20 + -1X = 8

Solving
20 + -1X = 8

Solving for variable 'X'.

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

Add '-20' to each side of the equation.
20 + -20 + -1X = 8 + -20

Combine like terms: 20 + -20 = 0
0 + -1X = 8 + -20
-1X = 8 + -20

Combine like terms: 8 + -20 = -12
-1X = -12

Divide each side by '-1'.
X = 12

Simplifying
X = 12

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