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ycow [4]
3 years ago
14

If y=5x-3 and 3x-y=-1, what is the value of y

Mathematics
2 answers:
Elan Coil [88]3 years ago
8 0
1 is the answer! Hope this helps
Svet_ta [14]3 years ago
3 0
Well if you make them both equal to y I got...
Y=-3x+1
Y=5x-3
But I don't think you can find it without the y since they are different variables. Like I know -3x and 5x are the slopes and 1 and -3 are the y intercepts but I'm stuck after that. Sorry if that wasn't any help.
Hope I helped.
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rodikova [14]

It is 3 cause they are all the same leatheth so 3

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3 years ago
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Draw a graph of y= 2 - 1/2x
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To draw a graph of y=2-1/2x the point on the graph starts a 2 then the next point goes down because of the -1/2x so it would subtracting 0.5 from each previous point

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lenny deposits $7,000 in an IRA. What will be the value of his investment in 3 years if the investment is earning 1.95% per year
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Step-by-step explanation:

The interest is 1.95 percent.

1.95 percent = 1.0195

Value after 3 years =

1.0195 {}^{3}  \times 7000

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3 years ago
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Total brain fart! 24+5x=-x+6(5a-4)
kow [346]

Answer:

When solving for x, answer = \large\boxed{x = 5a - 8}

When solving for a, answer = \large\boxed{a = 1/5x + 8/5}

Step-by-step explanation:

24 + 5x = -x + 6(5a - 4)

Start by multiplying 6 by the values in the parenthesis

24 + 5x = -x + 30a - 24

Add 24 to both sides of the equation

48 + 5x = -x + 30a

Add 1x to both sides of the equation

48 + 6x = 30a

Subtract 48 from both sides of the equation

6x = 30a - 48

Divide both sides of the equation by 6

x = 5a - 8 (Answer when solving for x)

Add 8 to both sides of the equation

x + 8 = 5a

Divide both sides of the equation by 5

a = 1/5x + 8/5 (Answer when solving for a)

-----------------------------------------

When solving for x, answer = \large\boxed{x = 5a - 8}

When solving for a, answer = \large\boxed{a = 1/5x + 8/5}

Hope this helps :)

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3 years ago
The coldest surface temperature on the Moon is 57 degrees colder than twice the coldest surface temperature on Earth. What is th
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28.5  is the coldest surface temperature on Earth
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