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

When h has the value of 4 calculate 26-4h
why was the middle passage so bad
TRUE OR FALSE it takes more than one gallon of water to refine one gallon of gas. A. True B. False TRUE OR FALSE one gallon of water can produce one pound of
Which statement is true regarding the functions on the graph?
Read the scenario. Enrique wants to revise his sentence to emphasize the size difference between the two animals. Which revision uses the most precise languag
Johnson's "Great Society" consisted of
Which of the following describes someone who is questioning? Check all that apply.
What is the minimum value of the parabola y= x^2+5x
Which of these lines contains a simile? She spoke to the tree, admonishing its impudent, craggy boughs. She was transformed into a reptileóone of particula
A cone - shaped building has a height of 6 meters and a base with a diameter of 10 meters. The building will be filled with road salt that costs $25 per cubic m