![subject](/tpl/images/cats/mat.png)
Mathematics, 20.02.2020 08:58 sierravick123owr441
Consider the system.
6x − 3y = 42
x + 3y = −21
Part 1 out of 2
Complete the description for three different substitution methods that can be used to solve this system.
Solve the second equation for x (x =
-21
− 3y) and then substitute the value into the first equation.
Solve the first equation for y (y = 2x −
-14
) and then substitute that value into the second equation.
Solve either equation for 3y (3y =
− x or 3y = 6x −
) and then substitute that value into the other equation.
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:10
The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:40
Which set of side lengths form a right side? a) 3ft,6ft,5ft b)50 in,48in,14in c)53m,48m,24m d)8cm,17cm,14cm
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 02:00
Astore is having a sale in which all items are reduced by 20 percent. including tax, jennifer paid $21 for a pair of shorts. if the sales tax is 5 percent, what was the original price of the shorts
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 04:00
What's for breakfast? all people who ate at a certain restaurant were surveyed as to what they ordered on a particular sunday morning. 40 ate eggs 42 ate sausage 32 ate pancakes 13 ate sausage and eggs 15 ate pancakes and sausage 11 ate eggs and pancakes 6 ate all three items 3 people didn't eat any of the items how many people ate only pancakes? how many people ate at the resturant that morning? how many people didn't eat eggs?
Answers: 1
You know the right answer?
Consider the system.
6x − 3y = 42
x + 3y = −21
Part 1 out of 2
Complet...
6x − 3y = 42
x + 3y = −21
Part 1 out of 2
Complet...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 22.01.2021 01:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 22.01.2021 01:00
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 22.01.2021 01:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mkx.png)
Arts, 22.01.2021 01:00
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.01.2021 01:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.01.2021 01:00
![question](/tpl/images/cats/mat.png)
Mathematics, 22.01.2021 01:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.01.2021 01:00