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Pepsi [2]
4 years ago
15

What is the value of x in the solution to the following system of linear equations? Y=3x+2 y=x-4

Mathematics
1 answer:
omeli [17]4 years ago
5 0

Answer:-3

Step-by-step explanation:

y=3x+2................(1)

y=x-4......................(11)

Subtract (11) from (1)

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

0=2x+2+4

0=2x+6

Collect like terms

0-6=2x

-6=2x

Divide both sides by 2

-6/2=2x/2

-3=x

x=-3

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6>w/-2 solve the inequalities
Vitek1552 [10]

Answer:

w>-12

Step-by-step explanation:

6>w/-2 (Given)

6>-w/2 (Rewrite)

12>-w (Multiply both sides by 2)

-12<w (Remember to flip the sign when dividing or mulitplying by a negative)

w>-12 (Rewrite with w in front)

Therefore, w>-12 is the solution to the inequality.

7 0
3 years ago
Read 2 more answers
Evaluate the expression for s=4 and t=8<br><br> 2st^2-4^2
vazorg [7]
I hope this helps you

s=4 t=8



2.4.8^2-4^2



2.4.64-16



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496
8 0
3 years ago
Kodi earns $33 for walking 4 dogs. at this rate, how much will she earn if she walks 7 dogs?
Allisa [31]

Answer:

57 Dollars, and 75 cents. (57.75

Step-by-step explanation:

Assuming she earns 8 dollars and 25 cents per dog,

8.25x7 = 57.75

<u>How I got 8.25:</u>

33/4 = 8.25

Hope this helped~!

4 0
4 years ago
Write three numbers that are greater than 543,000 but less than 544,000
gizmo_the_mogwai [7]
543,100
543,400
543,642
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All you have to do is change the last 3 digits to any number, while keeping the first 3(543) the same.
4 0
3 years ago
How many hours will it take for a truck traveling at a rate of 71 miles per hour to go 568? Use the formula d= rt (where d is di
mylen [45]
8 hours time
more letters needed to submit answer
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3 years ago
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