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frozen [14]
3 years ago
15

Someone please help asap!!!!

Mathematics
1 answer:
aliina [53]3 years ago
3 0
90=(3r+4)+(8r-2)
90=3r+4+8r-2
90=11r+2
90-2=11r
88=11r
88/11=r
8=r
Answer is r=8
I think???
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