x+x-19=23

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Solution for x+x-19=23 equation:


Simplifying
x + x + -19 = 23

Reorder the terms:
-19 + x + x = 23

Combine like terms: x + x = 2x
-19 + 2x = 23

Solving
-19 + 2x = 23

Solving for variable 'x'.

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

Add '19' to each side of the equation.
-19 + 19 + 2x = 23 + 19

Combine like terms: -19 + 19 = 0
0 + 2x = 23 + 19
2x = 23 + 19

Combine like terms: 23 + 19 = 42
2x = 42

Divide each side by '2'.
x = 21

Simplifying
x = 21

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