Question

HELP!! Please answer 9 and ten with solution needed!!

Answer 1

m=7 z=-12

Explanation:

expand brackets:

8m+24=5m+45

Change sides:

8m-5m=45-24

3m=21

m=7

z-6 = 3

2z 4

Coss multiply:

4z-24=6z

4z-6z=24

-2z=24

Divide both sides by -2:

z=-12