x+x-7=82

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Solution for x+x-7=82 equation: 


Simplifying
x + x + -7 = 82

Reorder the terms:
-7 + x + x = 82

Combine like terms: x + x = 2x
-7 + 2x = 82

Solving
-7 + 2x = 82

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 2x = 82 + 7

Combine like terms: -7 + 7 = 0
0 + 2x = 82 + 7
2x = 82 + 7

Combine like terms: 82 + 7 = 89
2x = 89

Divide each side by '2'.
x = 44.5

Simplifying
x = 44.5

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