douglasdanielle24 douglasdanielle24
  • 02-05-2022
  • Mathematics
contestada

solve the system by elimination 4x-y=2 and x+3y=7

Respuesta :

okikiolu3
okikiolu3 okikiolu3
  • 04-05-2022

Answer:

x=1 y=2

Step-by-step explanation:

Isolate x for 4x -y =2: x=2+y/4

Substitute x= 2+y/4

(2+13y/4) +3y=7

simplify 2+13y/4) =7

Isolate y for 2+13y/4) =7: y=2

Forx= 2+y/4

Substitute y =2

x=2+2/4

x=1

Answer Link

Otras preguntas

How do you respond to this question? “¿Recibes muchos correos electrónicos?” Question 10 options: a) Sí, recibes muchos correos electrónicos. b) Sí, recibe m
Harris said that 15 X 9 is equivalent to 45 X 3 because you can multiply one dimension by three and divide the other dimension by three. His partner said that o
which expression is equivalent to 16​
in doing electrolysis, will the copper sulphate solution decolourise?​
DOUBLE POINTS (Algebra II) please help !! Evaluate the expression for the given value of the variable. (–4b– 8) +(–1 – b^2)+ 2b^3, b= -2 PLEASE show your work
Alaska became a US territory after the United States a. defeated Russia in war. b. approved Alaska's request for annexation. c. bought the land from Russia.
Is seven/tenth rational or irrational?
A pharmacist added 50 g of drug to make a total of 200 mL of solution. What is the percentage of drug in the resultant solution?
Suppose a researcher were interested in studying the Uniform Crime Reports, but particularly the kinds of characteristics of different geographic areas that may
What does the statement “10 m/s to the north” describe?