Question

Does anybody know the answer to it? It is very confusing for me. It is 6th grade.​

Answer 1

13a+16b+12

Explanation:

5(a+3b)+b+8a+12

= 5a +15b+b+8a+12

=5a +8a+15b+b+12

=13a+16b+12

Answer 2

13a+16b+12

Explanation:

5(a+3b)+b+8a+12

= 5a +15b+b+8a+12

=5a +8a+15b+b+12

=13a+16b+12