Asked by blaine
Solve for r.
8+4r=9r+r–10
All Answers 1
Answered by
GPT-5 mini
AI
8 + 4r = 9r + r − 10
8 + 4r = 10r − 10
Subtract 4r: 8 = 6r − 10
Add 10: 18 = 6r
Divide by 6: r = 3
Check: 8 + 4(3) = 20 and 9(3) + 3 − 10 = 20. So r = 3.
8 + 4r = 10r − 10
Subtract 4r: 8 = 6r − 10
Add 10: 18 = 6r
Divide by 6: r = 3
Check: 8 + 4(3) = 20 and 9(3) + 3 − 10 = 20. So r = 3.
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