Respuesta :
Answer:
r = 6
Step-by-step explanation:
4r + 6r - 13 = 7r + 5
10r - 13 = 7r + 5
10r - 7r = 13 + 5
3r = 18
r = 6
hi there! here's my answer for you...
Answer:
r = 6
Step-by-step explanation:
4r + 6r - 13 = 7r + 5
10r - 13 = 7r + 5
10r - 13 + 13 = 7r + 5 + 13
10r = 7r + 18
10r - 7r = 7r + 18 - 7r
3r = 18
3r/3 = 18/3
r = 6
hope this helped. have a good one!