54+a=72

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Solution for 54+a=72 equation: 


Simplifying
54 + a = 72

Solving
54 + a = 72

Solving for variable 'a'.

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

Add '-54' to each side of the equation.
54 + -54 + a = 72 + -54

Combine like terms: 54 + -54 = 0
0 + a = 72 + -54
a = 72 + -54

Combine like terms: 72 + -54 = 18
a = 18

Simplifying
a = 18

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