B, because to substitute for a variable you have to have an equation to substitute first.
My guess would be C but im not 100 sure
The Answer should be C.) Y=x-20
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Miri
Answer:
It's B I think
Step-by-step explanation:
The answer would be $50 per year.
$750-$500=$250
$250/5 years= $50 per year.
