What is the solution to the open sentence? 8y + 7 = y + 21 A. 2 B. 4 C. 7 D. 14
1 answer:
8y+7= y+21
Subtract y from both side
7y+7=21
Subtract 7 from both sides
7y = 14
Divide both sides by 7
Y=2 or A
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The answer is B. 2(4) + 3(24) = 80
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