mjzyingyang
mjzyingyang mjzyingyang
  • 25-09-2019
  • Mathematics
contestada

3(4r+5)-2(3r+4)=7

a. r= -1/3
b. r= 0
c. r= 1
d. r= 8/3​

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Respuesta :

jaunqin jaunqin
  • 25-09-2019

Answer:

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Step-by-step explanation:

Answer Link
creatorofkayy
creatorofkayy creatorofkayy
  • 25-09-2019
Answer: r=0

Explaining:
3(4r + 5)-2 (3r+4)=7
12r+15 - 6r- 8=7
6r +7=7
6r=0
R=0
Answer Link

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