adebukoladoris74
adebukoladoris74 adebukoladoris74
  • 14-07-2020
  • Mathematics
contestada

solve using elimination method x-3y=1 and 2x+5y=6​

Respuesta :

jenny200588
jenny200588 jenny200588
  • 16-07-2020

Answer:

x =23/11, y =4/11

Step-by-step explanation:

subtract equation 1 from equation 2

2x-x + 5y-(-3) =6-1

x + 8y = 5

make x the subject of formula

x = 5-8y(equation#)

substitute x = 5-8y in equation 1

5-8y-3y = 1

5-11y = 1

collect like terms

5-1 = 11y

4= 11y

divide both sides by 11

4/11 = 11y/11

y = 4/11

put y = 4/11 in equation #

x = 5-8(4/11)

x = 5-32/11

LCM= 11

x = 55-32/11

x = 23/11

so, x =23/11, y = 4/11

Answer Link

Otras preguntas

PLZ HELP ITS TIMMEEDDD I DONT HAVE ALOT LEFT XC As altitude increases, what happens to air pressure? A) It fluctuates. B) It increases. C) It decreases. D) It s
why has conflict and civil war occurred in many african nations after independence
17.57 rounded to the Nearest tenths
Solve the following system of equations using elimination and show all work. −2x + 6y = 6 -7x + 8y = -5
A cylinder containing 44.0 L of helium gas at a pressure of 170 atm is to be used to fill toy balloons to a pressure of 1.1 atm. Each inflated balloon has a vol
How does the author's use of flashback in paragraph 3 affect the story
Which of the three yearly Jewish feasts did the Lord select as the occasion on which to send the Holy Spirit? The Feast of Passover The Feast of Weeks The Fea
According to jefferson, who had the right to crest a government
Which elements have atomic number 27 and 31
50 points. How is the 13 amendment protected?