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 ( 78+ )
Otras preguntas
_______ are words that take the place of nouns.
Claude has been elected student body president and really likes to lead and persuade people. His strongest Holland career type is? A. conventional B. social C.
when you roll two number cubes, what are the odds, in simplest form, in favor of getting two number less than 4 ?
Which of the following is not an example of a mineral crystal shape? A. Calcite B. Kryptonite C. Quartz D. Pyrite
A town had about 2120 acres of pine trees 40 years ago. Only about 13% of the pine trees remain. How many acres of pine trees remain? Round your answer to the n
Which equations can be used to solve for acceleration? Check all that apply. t = vf = at – vi a = vi = vf – at v = vf = at + vi a =
Plagiarism is often times described as: A. an honest mistake. B. literary theft. C. cheating. D. Both b & c
I need the answer of number 32
Mr. Pham has $410,000 in a retirement account that earns 3.85% simple interest each year. Find the amount earned each year by this investment.
The ratio of white marbles to blue marbles in Connie's bag of marbles is equal to 2:3.There are more than 20 marbles in the bag. What is a possible number of wh
