54+a=66

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Solution for 54+a=66 equation: 


Simplifying
54 + a = 66

Solving
54 + a = 66

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 = 66 + -54

Combine like terms: 54 + -54 = 0
0 + a = 66 + -54
a = 66 + -54

Combine like terms: 66 + -54 = 12
a = 12

Simplifying
a = 12

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