47+7+3a=66

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Solution for 47+7+3a=66 equation: 


Simplifying
47 + 7 + 3a = 66

Combine like terms: 47 + 7 = 54
54 + 3a = 66

Solving
54 + 3a = 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 + 3a = 66 + -54

Combine like terms: 54 + -54 = 0
0 + 3a = 66 + -54
3a = 66 + -54

Combine like terms: 66 + -54 = 12
3a = 12

Divide each side by '3'.
a = 4

Simplifying
a = 4

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