Answer :
3
Given that 8 = 3r -1
collect like terms or add 1 to both sides of the equation
8 + 1 = 3r - 1 + 1
9 = 3r
Divide both sides by 3
9/3 = 3r/3
3 = r
r = 3
3
Given that 8 = 3r -1
collect like terms or add 1 to both sides of the equation
8 + 1 = 3r - 1 + 1
9 = 3r
Divide both sides by 3
9/3 = 3r/3
3 = r
r = 3