dezariaspencer
dezariaspencer dezariaspencer
  • 02-05-2018
  • Mathematics
contestada

Solve the system using the substitution method
4x+6y=8
3x+y=9

Respuesta :

fatehahnordin9p7wo43
fatehahnordin9p7wo43 fatehahnordin9p7wo43
  • 02-05-2018
4x+6y=8
3x+y=9

y = 9 - 3x

4x + 6(9-3x) = 8
4x + 54 - 18x = 8
14x = 46
x = 23/7

y = 9 - 3(23/7)
y = 9 - 69/7
y = - 6/7
Answer Link

Otras preguntas

x-7=5 please help me with each step.
Sue invested $5,000 in the ABC Limited Partnership and received a 10 percent interest in the partnership. The partnership had $20,000 of qualified nonrecourse d
Which of the following statements are true? A. Probabilities can be any positive value. B. Probabilities must be negative. C. Probabilities can either be positi
The age at which people are expected to leave home, get a job, and marry has changed dramatically in Wallonia over the past 50 years. Developmentalists would sa
What other methods could be used to estimate the size of a large crowd? Describe how and why the crowd size estimate supplied by event organizers might differ f
Why does a hypothesis have to be falsifiable? Question 1 options: A. It must be able to pass all its tests B. It can be right only if it is found to be false C.
True or false: Survey research is the preferred method for studying socially undesirable phenomena such as holding racist attitudes.
Solve for x. 6x−24=x−2 --------- 4
If all other factors remain the same, which of these results in an increase in the amount of oxygen bound to hemoglobin?
Document #2 What is Sdepulveda's impression of the New World?