Question

17 = 9 + 2r

r = what

Answer 1

r=4

Explanation:

You have to get r on one side so you subtract nine on both sides to get rid of it so 8=2r

then you divide 2 m both sides and r=4

Answer 2

r = 4

Explanation:

17 = 9 + 2r subtract both sides by 9

8 = 2r divide both sides by 2

4 = r