Jacobwilson1998 Jacobwilson1998
  • 15-03-2015
  • Mathematics
contestada

I don't not understand substation for this problem y=x+6 then y=2x-7

Respuesta :

konrad509
konrad509 konrad509
  • 15-03-2015
[tex]y=x+6\\ y=2x-7\\\\ x+6=2x-7\\ 2x-x=6+7\\ x=13\\\\ y=13+6\\ y=18\\\\ \boxed{(x,y)=(13,18)}[/tex]
Answer Link

Otras preguntas

The square of a negative number is twelve more than four times the negative number. Find the number.
solve 3x+2y=7 and x-4y=-21 by using substitution
if you buy six pens and one mechanical pencil, it will cost $9. If you buy four pens and two mechanical pencils, it will cost $8. How much does each pen and mec
how were the principles of humanism and the Protestant reformation similar
Allam just finished a great meal at a restaurant in Wisconsin. The sales tax in Wisconsin is 5\%5%, and it is customary to leave a tip of 15\%15% for the server
All of the guests _____ gone to the concert in the park. Choose the correct verb: a. did b. have c. had d. None of the above
Which of these is the algebraic expression for "5 times the sum of 2 and y?" 5 ⋅ 2 + y 2 + 5 ⋅ y 2(5 + y) 5(2 + y)
Which universal theme does this poem build on? Brave, brave were the soldiers (high named to-day) who lived through the fight; But the bravest press'd to the fr
Which sentence does not contain any errors? a. Yore meal is still cooking in the microwave. b. Youre meal is still cooking in the microwave. c. Your meal is
Which of the following is TRUE about Supreme Court justices? a. They are the country’s foremost authorities on state constitutions. b. Justices throw cases aw