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aleksandrvk [35]
3 years ago
15

2 x + y equals negative 9

Mathematics
1 answer:
Vilka [71]3 years ago
6 0

Answer:

The given equation which is in two variable is

 ⇒2 x + y =9

As we know that to get a unique solution you need two intersecting lines.

But here only one line is given.

On a single line there lie infinite number of points.

So, for different values of x we get different values of y or different values of y we get different values of x.

So , we can write the above equation as

either ⇒y=9-2 x Or x=9-2 y

I have drawn graph for you.

Thus , there are infinite number of solution of this equation. Like (0,9),(1,7),(2,5),(-2,13),(-1,11),(-3,15)......




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Answer:

-23, 5

Step-by-step explanation:

JK = 14 and K = -9

J could be on the left or the right of -9

Add 14 to -9

14+-9 = 5

So J could be at 5

Subtract 14 from -9

-14-9 = -23

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3 years ago
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Step-by-step explanation:

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TEA [102]

Step-by-step explanation:

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3 years ago
8=1/3(a+5) plz find A plz
padilas [110]

Answer:

18.99 or 19 when rounded

Step-by-step explanation:

8 =  \frac{1}{3} (a + 5) \\ 8 =  \frac{1a}{3}  + 1.67 \\ 3 \times 8 =  \frac{1a}{3}  + 1.67 \times 3 \\ 24 = a + 5.01 \\ 24 - 5.01 = a + 5.01 - 5.01 \\ 18.99 = a

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