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

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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