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andrey2020 [161]
3 years ago
15

R/-5= -4.2 please answerrrrer quickly

Mathematics
1 answer:
mixas84 [53]3 years ago
5 0

Answer:

R=-21

Step-by-step explanation:

R/5-(-4.2)=0

r+(4.2)*5=0

r+21=0

r=-21

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