3 years ago

I need to know this answer

Mathematics

2 answers:

andreev551 [17]3 years ago

6 0

R+15=4R-6
Collect like terms
Divide both sides by -3

R=7

Free_Kalibri [48]3 years ago

5 0

Answer:

r = 7

Step-by-step explanation:

Given

r + 15 = 4r - 6 ( subtract 4r from both sides )

- 3r + 15 = - 6 ( subtract 15 from both sides )

- 3r = - 21 ( divide both sides by - 3 )

r = 7

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