Respuesta :
Answer:
r= 1
Step-by-step explanation:
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Answer:
r = 1
Step-by-step explanation:
-3r + 10 = 15r - 8
Add 8 to both sides.
-3r + 18 = 15r
Add 3r to both sides.
18 = 18r
Divide both sides by 18.
r = 1