9(a+2)=81

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Solution for 9(a+2)=81 equation: 


Simplifying
9(a + 2) = 81

Reorder the terms:
9(2 + a) = 81
(2 * 9 + a * 9) = 81
(18 + 9a) = 81

Solving
18 + 9a = 81

Solving for variable 'a'.

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

Add '-18' to each side of the equation.
18 + -18 + 9a = 81 + -18

Combine like terms: 18 + -18 = 0
0 + 9a = 81 + -18
9a = 81 + -18

Combine like terms: 81 + -18 = 63
9a = 63

Divide each side by '9'.
a = 7

Simplifying
a = 7

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