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soldi70 [24.7K]
4 years ago
13

Which expression is equal to ...?

Mathematics
1 answer:
adoni [48]4 years ago
7 0

Answer:

c

Step-by-step explanation:


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3b-14/3b = 5b+2/3b <br> b= ?
WINSTONCH [101]

First of all, observe that all fractions exist as long as b is not zero.

Multiply both numerator and denominator of the first fraction by 3:

\dfrac{3b-15}{3b}+\dfrac{1}{3b}=\dfrac{5b+2}{3b}

Now all fractions have the same denominator. Under the assumption that b is not zero, multiply both sides by 3b:

3b-15+1=5b+2 \iff 3b-14=5b+2

Subtract 3b from both sides:

-14=2b+2

Subtract 2 from both sides:

-16=2b

Divide both sides by 2:

b=-8

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Oksi-84 [34.3K]
Your answer would be option C because the red is 36 and the blue is 27 which added together equals 63
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