X+72=57+45

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Solution for X+72=57+45 equation: 


Simplifying
X + 72 = 57 + 45

Reorder the terms:
72 + X = 57 + 45

Combine like terms: 57 + 45 = 102
72 + X = 102

Solving
72 + X = 102

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 + X = 102 + -72

Combine like terms: 72 + -72 = 0
0 + X = 102 + -72
X = 102 + -72

Combine like terms: 102 + -72 = 30
X = 30

Simplifying
X = 30

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