x+(x+2)=13

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Solution for x+(x+2)=13 equation: 


Simplifying
x + (x + 2) = 13

Reorder the terms:
x + (2 + x) = 13

Remove parenthesis around (2 + x)
x + 2 + x = 13

Reorder the terms:
2 + x + x = 13

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

Solving
2 + 2x = 13

Solving for variable 'x'.

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

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

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

Combine like terms: 13 + -2 = 11
2x = 11

Divide each side by '2'.
x = 5.5

Simplifying
x = 5.5

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