How do you solve this system by substitution. Y= -5x+3 -x-7y=13

1 answer:

3 0

A) Y= -5x+3
B) -x -7y = 13 substituting equation A) into B)
B) -x -7*(-5x +3) = 13

B) -x +35x -21 = 13
B) 34x = 34
x = 1

A) Y= -5*1 +3
A) Y= -2

You might be interested in

Nine students were asked how many miles they live from school. Their answers are listed below.

Zielflug [23.3K]

Answer: The mode is: 3 . The range is: 6 .
___________________________________
Explanation:
___________________________________
It would be best to list this values in the data set given, from least to greatest:
________________________________________________
{ 3, 3, 3, 3, 4, 5, 5, 6, 9 } .
________________________________________________
The mode is the number that occurs most frequently in the data set, which is: "3".
_________________________________________________________
{The number, "3", occurs FOUR (4) times. The number, "4", occurs ONE (1) time. The number, "5", occurs TWO (2) times. The number, "6", occurs ONE (1) time. The number, "9", occurs ONE (1) time.}.
___________________________________________________
The range is calculated from subtracting the LOWEST value in the data set FROM the HIGHEST value in the data set.
____________________________________________________
The lowest values in the data set is: "3" .

The highest value in the data set is: "9" .
________________________________________________
To calculate the range: 9 − 3 = 6 . The range is: "6".
________________________________________________
Answer: The mode is: 3 . The range is: 6 .
_________________________________________________

8 0

2 years ago

Pls help I’m on my last attempt to answer this question. This is geometry

Harman [31]

Answer:

the answer to this question would be RT=16 Please mark brainliest!

5 0

2 years ago

O (1.4) O (0.6) O (2, 3) O (5,0)

Illusion [34]

Answer:

(0.6)