Question

4(a+3) - 7 = 6a -21 aaaaaaaaaaaaaaaaaa

Answer 1

:)

Explanation:

a=13

Answer 2

a=13

Explanation:

4a+12-7=6a-21

combine like terms

4a+5=6a-21

sub 4a from each side

5=2a-21

add 21 to each side

26=2a

divide each side by 2

a=13