5.5a+15=81

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Solution for 5.5a+15=81 equation: 


Simplifying
5.5a + 15 = 81

Reorder the terms:
15 + 5.5a = 81

Solving
15 + 5.5a = 81

Solving for variable 'a'.

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

Add '-15' to each side of the equation.
15 + -15 + 5.5a = 81 + -15

Combine like terms: 15 + -15 = 0
0 + 5.5a = 81 + -15
5.5a = 81 + -15

Combine like terms: 81 + -15 = 66
5.5a = 66

Divide each side by '5.5'.
a = 12

Simplifying
a = 12

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