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HACTEHA [7]
3 years ago
14

How do you solve -10+2y=7

Mathematics
1 answer:
Eva8 [605]3 years ago
5 0

Answer

y = \frac{17}{2}

Step-by-step explanation:

-10 + 2y = 7

Add 10 to both sides of the equation

2y = 7 + 10

Add 7 and 10

2y = 17

divide each term in 2y=17 by 2

\frac{2y }{2} = \frac{17}{2}

Divide y by 7

y = \frac{17}{2}

<u>Hope this helps </u>

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Evaluate: (8y+5) -2z; if y =3 and z =9
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Step-by-step explanation:

(8y + 5) - 2z

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3 years ago
Your family goes to a restaurant for dinner. There are 7 people in your family. Some order the chiken dinner for $ 12 dollars an
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Answer:

The number of people who ordered steak dinner is 5

The number of people who ordered chicken dinner is 2

Step-by-step explanation:

Given as :

The total number of people went for the dinner = 7

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The price for the chicken dinner = $ 12

The price for the steak dinner = $ 17

Let The number of people who ordered chicken dinner = c

And The number of people who ordered steak dinner = s

Now, According to question

The total number of people went for the dinner = The number of people who ordered chicken dinner + The number of people who ordered steak dinner

Or, c + s = 7

And The total bill price for the dinner = The price for the chicken dinner × The number of people who ordered chicken dinner + The price for the steak dinner ×  The number of people who ordered steak dinner

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$ 12 × ( c + s ) = $ 12 × 7

Or,  $ 12 × c + $ 12  × s = $ 84

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Or, ( 0 ) + ( $ 5 s ) = $ 25

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Hence The number of people who ordered steak dinner is 5

And The number of people who ordered chicken dinner is 2   Answer

5 0
3 years ago
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