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Rzqust [24]
3 years ago
6

How do you answer this question 3/4b +10=20

Mathematics
2 answers:
noname [10]3 years ago
7 0
1) move the 10 over
So it becomes
3/4b = 10
2) multiply everything by 4 to get rid of the denominator
2b = 40
3) divide both sides by 2
b = 20
Volgvan3 years ago
4 0

\frac{3}{4}b+10=20 \ \ \ \ | - 10\\\\ \frac{3}{4}b=10 \ \ \ \ | \cdot4\\\\3b=40 \ \ \ \ | : 3\\\\b=\frac{40}{3}\\\\ b=13\frac{1}{3}

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