Mathematics, 22.01.2021 18:10 ryleerod07
18 Heather and Adam both solve the same problem 2(3r-6) = 10r - 10.
Which one of them is correct?
Adam
2(3r-6) = 10r - 10
6r - 12 = 10r - 10
-12 = 4r - 10
-2 = 4r
1
r=-
2
Heather
2(3r -6 ) = 10r – 10
6r - 6 = 10r - 10
-6 = 4r -10
4 = 4r
r = 1
Answers: 1
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18 Heather and Adam both solve the same problem 2(3r-6) = 10r - 10.
Which one of them is correct?
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