malachistewart malachistewart
  • 01-02-2018
  • Mathematics
contestada

solve the system by substitution

6x+2y=26
x=6y+21

Respuesta :

Аноним Аноним
  • 01-02-2018
Substitute x = 6y + 21 into the first equation:-
6(6y+21) + 2y = 26 
36y + 126 + 2y = 26
38y =  -100
y = -2.63
x =   6(-2.63) + 21 = 5.22

answer (-2.63, 5.22)   to nearest hundredth 
Answer Link

Otras preguntas

Can someone help me with this plssss it would help so much! (IM GIVING LOTS OF POINTS!!!!!!!!
Name the process that transfers carbon from plants to animals
If Anna can run 2km in 8 minutes how long will it take her run 5km if she maintains her speed?
nature is art of god (expansion of idea)​
SLOPE QUESTION MIDDLE SCHOOL
A boy says to us"I want to invite you" into indirect speech​
Prue wants to buy 30 cupcakes. What is the best price for 30 cupcakes?
A student has scores of 57, 58 and 63.25 on his first three test. He needs an average of at least 60 to a grade of D what is the minimum score that the student
Was the Mayflower compact a plan for the government of the new colony or an alliance with the local native Americans?
Dale has ​$2,000 to invest. He has a goal to have ​$3,800 in this investment in 9 years. At what annual rate compounded continuously will Dale reach his​ goal?