2livee
2livee
02-11-2017
Mathematics
contestada
Solve equations with 3 variables
Respuesta :
xisca
xisca
03-11-2017
a+b=3
-b+c=3 if we add these two equations we have a+c=6......(4) and from the 3rd equation we have a+2c =10
Now subtract (4) from (3)
a+2c=10
a+c=6 so a cancels out you have c=4 so a is 2 and b is 1
a=2
b=1
c=4
Answer Link
VER TODAS LAS RESPUESTAS ( 73+ )
Otras preguntas
look at the image below
Which of the following is a proper first-aid procedure
de la QUESTION 8 The hospital has allotted 120 days of inservice for every 15 departments. How many days of inservice can each department use? I
Several doctors gave their medical __________, explaining that the surgery was not necessary. A .advice B. degrees C. situations D. advantage E. .possibilities
2x² - 5/6 x +1/12 PLS ANS
During storms people in open areas should crouch close to the ground.
A silver chain has 100 links. Each link is made of thin silver wire and is in the shape of a circle of radius 2,5 cm. Find the value of the chain if the silver
A certificate of deposit offers a nominal interest rate of 2.5 percent annually. If inflation is 1 percent, what is the real rate of return?
de la QUESTION 8 The hospital has allotted 120 days of inservice for every 15 departments. How many days of inservice can each department use? I
find the length of BC
