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Pachacha [2.7K]
3 years ago
12

HELP I’VE FALLEN AND I️ CANT GET UP! (jk) I️ JUST REALLY NEED HELP ON THIS ALGEBRA QUESTION?!

Mathematics
1 answer:
Lana71 [14]3 years ago
3 0

use cross products

(3r+6) *2 = 9*(2r-4)

6r+12 = 18r-36  distribute

12    = 12 r -36    subtract 6r from each side

48 = 12r  add 36 to each side

4=r  divide by 12

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