72+15-x=28

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Solution for 72+15-x=28 equation:


Simplifying
72 + 15 + -1x = 28

Combine like terms: 72 + 15 = 87
87 + -1x = 28

Solving
87 + -1x = 28

Solving for variable 'x'.

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

Add '-87' to each side of the equation.
87 + -87 + -1x = 28 + -87

Combine like terms: 87 + -87 = 0
0 + -1x = 28 + -87
-1x = 28 + -87

Combine like terms: 28 + -87 = -59
-1x = -59

Divide each side by '-1'.
x = 59

Simplifying
x = 59

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