lisetteilozo
lisetteilozo lisetteilozo
  • 19-09-2018
  • Mathematics
contestada

Please help I don’t understand.

Please help I dont understand class=

Respuesta :

shindmand shindmand
  • 19-09-2018
a+b+c+d=0
a=a
b=a+2
c=a+2+2
d=a+2+2+2

a+a+2+a+4+a+6=0
4a+12=0
4a=-12
a=-3

b=-1
c= 1
d=3

Check:
-3-1+1+3
-4+4=0
0=0 correct
Answer Link

Otras preguntas

give 3 reasons that the stock market crashed
What is the volume of this right cone? 40π cm^3 300π cm^3 400π cm^3 480π cm^3
Choose the slope-intercept form of y + 3 = 4(x – 5).
How can I do these questions?
A. 11 B. 14 C. 15 D. 21
Queen Christina of Sweden who abdicated her throne in order to become Catholic, was who’s daughter ?
Which event led the United States to enter WWII? Question 6 options: French surrender to Germany the Battle of Britain German invasion of the Soviet Union Japan
Solve the following system of equations using substitution method. x + y = 4 4x + 8y = 20
You will receive 21 annual payments of $19,500. The first payment will be received 4 years from today and the interest rate is 4.8 percent. What is the value of
please help ! i’ve been waiting so long for this answer.