x+x+3=23

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Solution for x+x+3=23 equation: 


Simplifying
x + x + 3 = 23

Reorder the terms:
3 + x + x = 23

Combine like terms: x + x = 2x
3 + 2x = 23

Solving
3 + 2x = 23

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 2x = 23 + -3

Combine like terms: 3 + -3 = 0
0 + 2x = 23 + -3
2x = 23 + -3

Combine like terms: 23 + -3 = 20
2x = 20

Divide each side by '2'.
x = 10

Simplifying
x = 10

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