noah1781
noah1781
02-12-2018
Mathematics
contestada
Solve by substitution 3x+y=5 and 2x-y=10
Respuesta :
charper317
charper317
02-12-2018
3x+5=2x-10
-2x -2x
X+5=-10
-5 -5
X=-15
3(-15)+y=5
-45+y=5
+45 +45
y=50
2(-15)-y=10
-30-y=10
+30 +30
-y=40
Divide by -1 on both sides
y=-40
Answer Link
VER TODAS LAS RESPUESTAS ( 28+ )
Otras preguntas
Which one of the following sentences contains two ideas joined by a connecting word? A. Sally lives with her parents, although she could afford her own ap
Complete the well-know saying: __________ blot ___________ copybook! ______________ not over till ___________ over.
Solve for X 3ax/5 - 4c = ax/5
write 7340 in standard for
Which of the Five Pillars of Islam do you think would be most difficult to peform? Why?
Describe a time when you felt antagonized or were responsible for antagonizing someone yourself.
Senator Jon Tester of Montana was reelected in 2012. If he decides to run again when his current term expires, in what year will the election occur?
All of the following are necessary for a Neolithic culture to evolve into a civilization, EXCEPT
A coat regularly sells for $59.00. It is on sale for 20% off. What is the sale price of the coat?
40 percent of the 35 male guests wear glasses. Write the number of male guests who wear glasses as a fraction of the 56 guests. Give your answer in its simplest
