Answer:
16
Step-by-step explanation:
a = age

- you will multiply by 8 now

- now move a's with a's and the numbers that don't have a variable with each other

- now subtract

- I hope it helps you!
Answer:
b.
Step-by-step explanation:
<span>x=<span>−<span><span>9<span> and </span></span>y</span></span></span>=<span>5
</span>D.(−9, 5) :)))