3 years ago

Solve 7w – 3r = 15 for r. Show your work.

2 answers:

5 0

What's w?

Well without W, we just have to trial and error.

R could be 2.

7w - 3r = 15
7w - 3(2) = 15
7w - 6 = 15
7w = 21
/7 /7
w = 3

So if W = 3, R could be 2.

krek1111 [17]3 years ago

4 0

7w - 3r = 15
7w - 3(2) = 15
7w - 6 = 15
7w = 21
/7 /7
<span> w = 3</span>

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