x+x-72=0

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Solution for x+x-72=0 equation: 


Simplifying
x + x + -72 = 0

Reorder the terms:
-72 + x + x = 0

Combine like terms: x + x = 2x
-72 + 2x = 0

Solving
-72 + 2x = 0

Solving for variable 'x'.

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

Add '72' to each side of the equation.
-72 + 72 + 2x = 0 + 72

Combine like terms: -72 + 72 = 0
0 + 2x = 0 + 72
2x = 0 + 72

Combine like terms: 0 + 72 = 72
2x = 72

Divide each side by '2'.
x = 36

Simplifying
x = 36

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