Respuesta :
Answer:
r = 2
Step-by-step explanation:
15 = 2r + 8 + 3
15 = 2r + 11
4 = 2r
r = 2
Answer:
r=2
Step-by-step explanation:
15 = 2(r + 4) + 3
Distribute
15 = 2r+8+3
Combine like terms
15=2r+11
Subtract 11 from each side
15-11 = 2r+11-11
4 = 2r
Divide by 2
4/2 =2r/2
2=r