md703385 md703385
  • 13-01-2019
  • Mathematics
contestada

Use the substitution method to solve the system

−x+y=−1,
4x−3y=6.

Respuesta :

jaimejohnston2
jaimejohnston2 jaimejohnston2
  • 16-01-2019

Answer:

(3,2)

Step-by-step explanation:

I changed the first equation to x=y+1. Then I substituted the x in the second equation with y+1. So, I got 4(y+1)-3y=6. Then 4y+4-3y=6 turns into y=2. Then you replace y with 2 in the first equation. -x+2=-1. -x=-3 or x=3.

Answer Link

Otras preguntas

f (x) = 2 |* – 2] + 3 How to evaluate
Justin Bieber has a dinner that costs $50.00. He wants to leave a 10% tip. How much is the tip?​
Can someone please write a short summary (100-150) words about the book "The adventures of Tom Sawyer " pretty pretty pleaaaaase ​
The Era of Good Feelings Task: How do you think Americans felt after their victory in the War of 1812? Describe. Americans felt happy after victory from the war
Antoine Lavoisier performed his classic twelve-day experiment in 1779 which has become famous in history. First, Lavoisier heated pure mercury in a swan-necked
What is the answer? Please help!
44 students completed some homework and the histogram shows information about the times taken. Work out an estimate of the interquartile range. In your working
What does time mean to you?
"I'm not! And if turning up my hair makes me one, I'll wear it in two tails till I'm twenty," cried Jo, pulling off her net, and shaking down a chestnut mane. "
Can you write some writing prompts?