3 years ago

-13r + -4r + 14r -9 =-15

Mathematics

2 answers:

deff fn [24]3 years ago

8 0

Answer:

Step-by-step explanation:

-13 x 2 = -26

-4 x 2 = -8

14 x 2 = 28

-26 + -8 + 28 +-9 = -15

have a nice day and mark me brainliest! :)

Len [333]3 years ago

6 0

Answer:

-13r+ - 4r+ 14r - 9= -15

-17r+14r=-3r

-3r -9 =15

-3r=15+9

-3r=24

Divide both sides by -3r

r = -8

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