72-x+20=72

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Solution for 72-x+20=72 equation:


Simplifying
72 + -1x + 20 = 72

Reorder the terms:
72 + 20 + -1x = 72

Combine like terms: 72 + 20 = 92
92 + -1x = 72

Solving
92 + -1x = 72

Solving for variable 'x'.

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

Add '-92' to each side of the equation.
92 + -92 + -1x = 72 + -92

Combine like terms: 92 + -92 = 0
0 + -1x = 72 + -92
-1x = 72 + -92

Combine like terms: 72 + -92 = -20
-1x = -20

Divide each side by '-1'.
x = 20

Simplifying
x = 20

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