3 years ago

-21 is a number b divided by 3 minus 5.

Mathematics

1 answer:

nadezda [96]3 years ago

5 0

Answer: b is -48

Step-by-step explanation:

-21 = b/3 - 5/1

Cross multiply

b-15= -21 ×3

b-15= -63

b= -63 + 15

b= -48

To cross -check,

-21 = -48/3 -5

-21= -16 -5

Mark as brainliest please.

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