vanyahoff
vanyahoff vanyahoff
  • 07-04-2019
  • Mathematics
contestada

Solve the system of equations: 7x−3y=13, x−2y=5

Respuesta :

evgeniylevi
evgeniylevi evgeniylevi
  • 08-04-2019

Answer:

{1;-2}

Step-by-step explanation:

[tex]...=\left \{ {{x=2y+5} \atop {7x-3y=13}} \right. =\left \{ {{x=2y+5} \atop {14y+35-3y=13}} \right.=\left \{ {{x=2y+5} \atop {y=-2}} \right.=\left \{ {{x=1} \atop {y=-2}} \right.[/tex]

Answer Link

Otras preguntas

A student walks 10meters east down a hallway before realizing she has dropped a book. She turns around and walks 3meters west to pick it up. She then turns
MO, MN, and ON are the midsegments of △JKL. What is the perimeter of △JKL? 6 9.5 11.5 19
Select the word that best completes the following sentence: A poet uses _______________________________ to create sound in a poem. imagery simile personifica
How is energy stored in ATP?
How many gallons of water does a 12 foot by 30 inch pool hold?
why was it so difficult to end segregation
When two atoms are separated and do not attract each other the potential energy is?
What is the median of the following data set -100,-99,-98..,-1,0,1..,98,99,100?
A triangle has sides with lengths of 18 centimeters, 68 centimeters and 74 centimeters. Is it a right triangle?
What move made by Hitler in 1936 violated the Treaty of Versailles?         A. He had a military.   B. He traded with foreign nations.   C. He moved military f