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myrzilka [38]
3 years ago
7

Please help I’ve got no clue what I’m doing

Mathematics
1 answer:
natta225 [31]3 years ago
6 0
It is a quater to threee
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Use the elimination method to solve this system.
leva [86]

Answer:

The solution for this system is: x = -1, y = 1

Step-by-step explanation:

The problem states that we have to solve this system by the elimination method

In the elimination method, we transform the system in such a way that one variable can cancel each other. With this, we find the result of the other variable. Then, we can replace the variable we found in any of the equations, and we have the value of the variable that we had initially canceled.

In this problem, we have the following system:

1) -6x + 5y = 1

2) 6x + 4y = -10

If we add equations 1) and 2), the variable x is going to be eliminated

1) + 2)

-6x + 6x + 5y + 4y = 1 - 10

9y = -9

y = \frac{-9}{9}

y = -1

Now, we can replace the value of y in any of the equations, to find x:

I will replace in equation 2)

6x + 4y = -10

6x + 4(-1) = -10

6x = -6

x = \frac{-6}{6}

x = -1

The solution for this system is: x = -1, y = 1

5 0
3 years ago
Can someone pls help me solve this? <br> 7&lt;2m-23
gregori [183]
7 < 2m - 23
add 23 to both sides
30 < 2m
divide both sides by 2
15 < m
same as m > 15
8 0
3 years ago
Read 2 more answers
If a train travel a 200 miles in 2.5 hours what is the rate of speed
ivanzaharov [21]
Do distance divided by time to get the speed.
200 / 2.5 = 80.
The speed is 80 miles per hour(mph).

Hope this helps :)
3 0
3 years ago
3y²z(2y²z + 4yz - y + z) = <br> 6y⁴z² + 12y³z² - 3y³z + 3y²z
lord [1]
18y⁸z²=18y⁸z², you have to simplify it and add like terms to get your answer

3 0
3 years ago
In the diagram, m&lt;3=x+30 and m&lt;4=2x-80
larisa [96]
Do you have a picture of the diagram?
3 0
4 years ago
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