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Alexeev081 [22]
3 years ago
10

If m 1 =7x and m 4 =3x +20 what is the value of x​

Mathematics
1 answer:
earnstyle [38]3 years ago
4 0

Answer:

value of x=3

Step-by-step explanation:

1=7x

m 4 =3x+20

x=3

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What is the sales tax on a breakfast order that totals $10.50 when tax is 5%
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First, you would need to create an equation for this problem. Let x represent the unknown tax. 
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Next, you would cross multiply. 
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4 years ago
3sqrt (27-81)-5<br><br> illyyyyy
Dennis_Churaev [7]

Answer:

3\sqrt[3]{x-3}-5

Step-by-step explanation:

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Simplify \sqrt[3]{27}**

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SOVA2 [1]

Answer:

Step-by-step explanation:

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5 0
2 years ago
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