If 2r+8s=24, then r = ?

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asked Jan 11, 2018 73.9k views

2 Answers

David Barda · Answer 1 · 2018-01-17T02:38:16+0000

Answer: r = -4s + 12

2r + 8s = 24 Subtract 8s from both sides
2r = 24 - 8s Divide by 2 to both sides
r = 12 - 4s Answer!
r = -4s + 12 Answer!

The last two steps are both correct. However, r = -4s + 12 is more proper.

If 2r+8s=24, then r = ?

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