x+x+-20=26

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Solution for x+x+-20=26 equation: 


Simplifying
x + x + -20 = 26

Reorder the terms:
-20 + x + x = 26

Combine like terms: x + x = 2x
-20 + 2x = 26

Solving
-20 + 2x = 26

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + 2x = 26 + 20

Combine like terms: -20 + 20 = 0
0 + 2x = 26 + 20
2x = 26 + 20

Combine like terms: 26 + 20 = 46
2x = 46

Divide each side by '2'.
x = 23

Simplifying
x = 23

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