a+39=72

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Solution for a+39=72 equation: 


Simplifying
a + 39 = 72

Reorder the terms:
39 + a = 72

Solving
39 + a = 72

Solving for variable 'a'.

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

Add '-39' to each side of the equation.
39 + -39 + a = 72 + -39

Combine like terms: 39 + -39 = 0
0 + a = 72 + -39
a = 72 + -39

Combine like terms: 72 + -39 = 33
a = 33

Simplifying
a = 33

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