Respuesta :

Answer:

6=r

r*4-r

6*4=24

24-6=18

Step-by-step explanation:

im srry if its wrong

Answer:

r=-3

Step-by-step explanation:

Hi love,

6r=3r-12-r

6r=2r-12

2r-12=6r

-12=6r-2r

-12=4r

divide both sides by 4

r=-3

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