2 years ago

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

Mathematics

1 answer:

sashaice [31]2 years ago

4 0

Answer:

m=7 z=-12

Step-by-step 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

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