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makkiz [27]
3 years ago
15

Solve the system y= 3x+7 y=2x-3

Mathematics
1 answer:
notka56 [123]3 years ago
5 0

Answer:(-10,-23)

Step-by-step explanation:

Okay....the easiest way to answer this would be either elimination or graphing. However, you could also use substitution.

Right now, I'll show how to use it by elimination.

First this is to convert both equations to standard form (x+y=__)

What we'll do for the first one is add 3x to each side. We end up with this:

-3x+y=7

Then subtract 2x from the other one. Ending up with:

-2x+y=-3

Now, we eliminate the y by subtracting.

-3x+y=7

(-) -2x+y=-3

___________

-x =10

x = -10

Now, plug in the x to one of the equations.

y=2(-10)-3

y=-20-3

y=-23

Make sure to check your answer by plugging both into the equations.

X=-10

Y=-23

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Step-by-step explanation:

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7 0
3 years ago
What is commutative property
timurjin [86]

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4 years ago
Change word phrase to expressions or equations<br><br> The sum of p and 45 less than 89
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Answer:

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Step-by-step explanation:

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If you want to find all of the different values that P could equal then all you have to do is subtract 45 from both sides so the equation would be

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this means that p can equal anything less than 44 for this statement to be valid. Hope this helped!

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3 years ago
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Answer:

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