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 = 8
2x = 8

Divide each side by '2'.
x = 4

Simplifying
x = 4

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