alfonso7guzman7 alfonso7guzman7
  • 03-10-2020
  • Mathematics
contestada

Subtitute 2x+y=7 and 3x-y=8

Respuesta :

taaaaan taaaaan
  • 03-10-2020
2x + y =7 (1)
3x-y=8 (2)

(1) + (2)

5x = 15
x = 3

Answer Link

Otras preguntas

What part of the narrative arc introduces the Reader to main conflict of the story? A. Exposition B. Complicating incident C. Resolution D. Rising action
A certain city has 2,340 pets of these pets 1/4 are cats, 1/5 are dogs, 1/10 are horses, 1/9 are frogs 1/4 are fish, and the rest are various other types how ma
Researchers control factors that might influence a dependent variable by means of
Connecting points on the pre image to corresponding points on the translated image creates line segments that are blank and blank
what is the process of removing -H and -OH in order to bond together called
Scientists generally use a system of measurement called
At the deli jennifer bought spicy turkey and provolone cheese. the turkey costs $6.32 per pound and the cheese costs $4.27 per pound. in total, she bought 3.2 p
What is the engineering cycle and why is it important
What term is used to describe nonfiction written works such as newspaper articles, essays, and biographies? a. analytical b. explanatory c. expository d. pe
Write an equation of the line that has a slope of 5 and y-intercept 3 in slope-intercept form.