3 years ago

I need help

Mathematics

1 answer:

PolarNik [594]3 years ago

5 0

Answer:

B is equal to 10

Step-by-step explanation:

You can add those two numbers together and set equal to 90. This would allow you to solve for B

B + 3B + 50 = 90

4B + 50 = 90

4B = 40

B = 10

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