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sleet_krkn [62]
3 years ago
5

3x+2y=6 how do i do this question i do not umderstand ​

Mathematics
2 answers:
agasfer [191]3 years ago
6 0

Answer:

You cannot.

Step-by-step explanation:

In order to solve for two variables, you need a system of equations, meaning at least two equations with the same two variables.

You cannot solve for x and y with just one equation as there will be an infinite range of solutions.

Let's say that there was a second equation, like:

x + 2y = 4

You could isolate the x (x = 4 - 2y), then substitute this value in the first equation:

3(4 - 2y) + 2y = 6

12 - 6y + 2y = 6 (expanded)

12 - 4y = 6

4y = 6

y = 6/4 = 3/2 (reduced)

Then, you plug this value of y into the x equation:

x = 4 - 2(3/2)

  = 4 - 3

  = 1

This is how you would solve it if you had another equation/a system of equations.

Hope this helps!

tatiyna3 years ago
4 0

Answer:

You would have to put this into a slope intercept form.

Step-by-step explanation:

Here's the step on how to do it:

1. 2y = -3x +6  (You subtract 3x from both sides)

2. y= -3/2x + 3 (Now you divide both sides by 2)

y = -3/2x +3 is your answer.

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Step-by-step explanation:

5(3h + 2) - 6

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Subract

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If fanny had 90452$ and he spent 55235$ how much $$$ dose he have left
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5 0
4 years ago
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Regina, Phil and Joseph each wrote expressions to represent their hourly earnings for an after-school job where h represents the
Citrus2011 [14]

Answer:

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Phil has a higher rate and starting value, this means that Regina will never make the same amount working the same hours.

Step-by-step explanation:

Regina: 6.5h

Phil: 3(2.5h+5)

When you plug in the number of hours, you get the weekly pay.  In order to get the same weekly pay, set the equations equal to each other.

6.5h=3(2.5h+5), This is an equation to find the number of hours it will take for them to get equal pay. Now, simplify.

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