Respuesta :

3r = 10 + 5s , r = 10
plug in the value of "r" into the equation:
3(10) = 10 +5s
30 = 10 + 5s
subtract 10 from both sides:
20 = 5s
divide both sides by 5:
4 = s
s = 4
letmejustread

Answer:

s=4

Step-by-step explanation:

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