Asked by Sam

i need help setting up 2 equations.

The sum of the radius,r, times 2 and 3 equals 4 less than the radius,r.

The sum of the radius, r, times 13 and 15 equals 16 less than twice the radius,r.

Answers

Answered by bobpursley
a) 2r+3=r-4
b) 13r+15=2r-16

Does that help?
Answered by Sam
yes it does thanks so much
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