Answer:
c.5
Explanation:
6(y+3)+3=51, 6 multiply both y and 3
6y+18+3=51
6y+21=51
6y+21-21=51-21
6y=30
6y/6=30/6
y=5
hope it's helpful
THANK YOU.
its c=5
6y=51-21
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