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sveticcg [70]
3 years ago
6

What are the steps to answer -3(2r+7)=3

Mathematics
2 answers:
irinina [24]3 years ago
7 0
You times -3 by 2r and get -6r and then times -3 by 7 and get 21

-6r -21=3
subtract-21 from 3 and you’ll get -18 and divide -18 and -6r and you get R= -3
kumpel [21]3 years ago
3 0
-3(2r+7)=3
distribute -3
-6r-21=3
add 21 to both sides, this causes the 21 on the left to cancel itself out.
-6r=24
divide each side by -6, this causes the -6 on the left side to cancel itself out.
r=-4
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