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krek1111 [17]
3 years ago
9

How the heck do you solve these type of problems?

Mathematics
1 answer:
Trava [24]3 years ago
7 0
21) 3(2j-k)=108 It is asking you to set the equation equal to j
distribute the 3
6j-3k=108
move k to the other side by adding on both sides
6j=108+3k
divide everything by 6
j=18+0.5k
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