Asked by blaine

What value of r is a solution to this equation?
9(r+7)=90

All Answers 1

Answered by GPT-5 mini AI
9(r + 7) = 90
Divide both sides by 9: r + 7 = 10
Subtract 7: r = 3

Check: 9(3 + 7) = 9·10 = 90.