x+x-8=86

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Solution for x+x-8=86 equation: 


Simplifying
x + x + -8 = 86

Reorder the terms:
-8 + x + x = 86

Combine like terms: x + x = 2x
-8 + 2x = 86

Solving
-8 + 2x = 86

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 = 86 + 8

Combine like terms: -8 + 8 = 0
0 + 2x = 86 + 8
2x = 86 + 8

Combine like terms: 86 + 8 = 94
2x = 94

Divide each side by '2'.
x = 47

Simplifying
x = 47

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