Question

5a - 9 + a = 9

The solution to the equation is
no solution
infinate solution
a = -3
a = 3
thanks!

Answer 1

a = 3

Explanation:

1) Simplify 5a - 9 + a to 6a - 9.

`6a - 9 = 9`

2) Add 9 to both sides.

`6a = 9 + 9`

3) Simplify 9 + 9 to 18.

`6a = 18`

4) Divide both sides by 6.

`a = (18)/(6)`

5) Simplify 18/6 to 3.

`a = 3`

Therefor, the answer is, a = 3.