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stepladder [879]
3 years ago
8

I don't get how to even do this its solving equations with variables on each side. 8y-3=6y+17

Mathematics
1 answer:
Mariulka [41]3 years ago
4 0
8y - 3 = 6y + 17

First, add 3 to both sides. / Your problem should look like: 8y = 6y + 17 + 3
Second, simplify 6y + 17 + 3 to 6y + 20. / Your problem should look like: 8y = 6y + 20
Third, subtract 6y from both sides. / Your problem should look like: 8y - 6y = 20
Fourth, simplify 8y - 6y to 2y. / Your problem should look like: 2y = 20
Fifth, divide both sides by 2. / Your problem should look like: y = \frac{20}{2}
Sixth, simplify \frac{20}{2} to 10. / Your problem should look like: y = 10

Answer: y = 10

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Step-by-step explanation:

Since we have given that

Number of muffins Diana sold at the bake sale = 336

Number of muffins Bob sold at the bake sale = 287

Now, here we are using the method of estimation i.e. rounding the integers to nearest ones.

By estimation, we get

Number of muffins Diana sold at the bake sale = 340

Number of muffins Bob sold at the bake sale = 290

So,

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A department store sold 51 51 shirts one day. All short-sleeved shirts cost $14.00 $ 14.00 each and all long-sleeved shirts cost
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Answer:

28 short-sleeved shirts were sold and 23 long-sleeved shirts were sold.

Step-by-step explanation:

We can solve this question by a system of equations.

I am going to say that:

x is the number of short-sleeved shirts sold.

y is the number of long-sleeved shirts sold.

A department store sold 51 shirts one day.

This means that x + y = 51

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We have to solve the system of equations.

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14x + 23y = 921

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y = \frac{207}{9}

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