9(a+2)=90

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Solution for 9(a+2)=90 equation: 


Simplifying
9(a + 2) = 90

Reorder the terms:
9(2 + a) = 90
(2 * 9 + a * 9) = 90
(18 + 9a) = 90

Solving
18 + 9a = 90

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 = 90 + -18

Combine like terms: 18 + -18 = 0
0 + 9a = 90 + -18
9a = 90 + -18

Combine like terms: 90 + -18 = 72
9a = 72

Divide each side by '9'.
a = 8

Simplifying
a = 8

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