Question

Is 3 a solution to 9 = 2a +3

Answer 1

Yes

Explanation:

If you substitute 3 for a, and then multiply 2 and 3 to get 6 and then add 3 to it, you will get 9.

Answer 2

Explanation:

9 = 2a + 3

2a = 9-3

2a = 6

a = 6/2

a = 3