(2x-8)=31

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Solution for (2x-8)=31 equation: 


Simplifying
(2x + -8) = 31

Reorder the terms:
(-8 + 2x) = 31

Remove parenthesis around (-8 + 2x)
-8 + 2x = 31

Solving
-8 + 2x = 31

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 + 2x = 31 + 8

Combine like terms: -8 + 8 = 0
0 + 2x = 31 + 8
2x = 31 + 8

Combine like terms: 31 + 8 = 39
2x = 39

Divide each side by '2'.
x = 19.5

Simplifying
x = 19.5

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