-5+x+x=13

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Solution for -5+x+x=13 equation: 


Simplifying
-5 + x + x = 13

Combine like terms: x + x = 2x
-5 + 2x = 13

Solving
-5 + 2x = 13

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 2x = 13 + 5

Combine like terms: -5 + 5 = 0
0 + 2x = 13 + 5
2x = 13 + 5

Combine like terms: 13 + 5 = 18
2x = 18

Divide each side by '2'.
x = 9

Simplifying
x = 9

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