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schepotkina [342]
3 years ago
9

Another algebra question. 2x+y=7 (solve for y)

Mathematics
2 answers:
klio [65]3 years ago
6 0

Answer:

(-1, 9) is the solution. The four solutions of the equation 2x + y = 7 are (0, 7), (1, 5), (2, 3) and (-1, 9).

Step-by-step explanation:

blsea [12.9K]3 years ago
3 0

Answer:

y= 7-2x

Step-by-step explanation:

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6 0
3 years ago
Please tell me easy way I can solve for the answer
Tanya [424]

Answer:

y+21 = -4(x-7)

Step-by-step explanation:

well first you need to find slope what is y2-y1 over x2-x1

23-(-21) ----> 23+21 = 44

-4 - 7 ---> -4 + -7 = -11

so it 44/-11 = -4  is the slope

now choose one pair of points like 7 , -21 and plug them in

y-y1 = m(slope)(x-x1)

so it be y+21 = -4(x-7)

also remember two negatives = a postitive


7 0
4 years ago
Plssssssssssssssss answer quick
Len [333]

Answer:

\frac{6}{9} = \frac{6 x 4}{9 x 4} =\frac{24}{36} \\The answer is b.\\2. \frac{55}{100}x = 495\\55x = 49500\\x = 900\\\frac{x}{y} \frac{55 x 9}{100 x 9} = \frac{495}{900} \\the answer is d

7 0
3 years ago
A recipe calls for 2 cups of flour to make 24 cookies. Write and solve a proportion to find how much flour is needed to make 54
horrorfan [7]
For the answer to the question above,
when you put it into a proportion it would be 2/24 = x/54  
multiply 2 and 54 which equals 108 
and multiply 24 and x which equals 24x
so you have 24x=108       divide 24x by 24 so you have x standing alone but what you do to one side you have to do to the other so divide 108 by 24 and get 4.5 which is 4 1/2 cups of flour. 
So the answer is<span> 2/24 = x/54; x = 4 1/2 cups</span>
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3 years ago
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9966 [12]
X+y=500
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3 years ago
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