bewellplus.gsu.edu
bjargo76 bjargo76
  • 28-04-2014
  • Mathematics
Answered

7x - 2 = 2y
3x = 2y - 1
Solve the system of equations by substitution.
(3/4, 13/8)(1/4, -1/8)no solutioncoincident

Verified Answer :

Anonymous Anonymous
  • 14-07-2014

\(\left\{\begin{array}{ccc}7x-2=2y\\3x=2y-1\end{array}\right\\\\substitution:\\\\3x=7x-2-1\\3x-7x=-3\\-4x=-3\ \ \ /:(-4)\\x=\frac{3}{4}\\\\2y=7\cdot\frac{3}{4}-2=\frac{21}{4}-2=\frac{21}{4}-\frac{8}{4}=\frac{13}{4}\\2y=\frac{13}{4}\ \ \ \ /:2\\y=\frac{13}{8}\\\\Answer:x=\frac{3}{4};\ y=\frac{13}{8}.\)

Answer Link

Related Questions

Can anyone explain how to do this to me It is due tomorrow at 930am Thanks
find the distributive property of 8 x 71
120180 in simplest form
Which event contributed to the defeat of British troops in the South a The Patriots improved at waging conventional warfare b British troops lost interest in t
how did sea lamprey get here
Which of the following equations represents an unbalanced neutralization reactions
What characteristics do deserts share
38512 how to to solve using partial quotient method
The easiest way for people to stop smoking is to quit coldturkey Please select the best answer from the choices provided T F
Which form of opera was performed without elaborate costumes scenery or acting