x+x+5+8=0

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Solution for x+x+5+8=0 equation:


Simplifying
x + x + 5 + 8 = 0

Reorder the terms:
5 + 8 + x + x = 0

Combine like terms: 5 + 8 = 13
13 + x + x = 0

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

Solving
13 + 2x = 0

Solving for variable 'x'.

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

Add '-13' to each side of the equation.
13 + -13 + 2x = 0 + -13

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

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

Divide each side by '2'.
x = -6.5

Simplifying
x = -6.5

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