2livee
2livee
02-11-2017
Mathematics
contestada
Solve equations with 3 variables
Respuesta :
tynollette
tynollette
02-11-2017
add up equation 1 and 2 to eliminate b
(a+b)+(-b+c)=3+3 => a+c=6
subtract this new equation from the third equation:
(a+2c)-(a+c)=10-3 =>c=4
plug in c=4 in a+c=6 =>a=2
a+b=3, a=2 =>b=1
Answer Link
VER TODAS LAS RESPUESTAS ( 24+ )
Otras preguntas
The United States is a democracy, with power resting in the hands of the people. In this activity you will consider two of the other types of government and com
How has Kansas adapted to the environment
In the figure, j∥k and m∠2 = 117°. What is the m∠3 ? Enter your answer in the box.
What caused the united states to enter a war thousands of miles away in europe??
How did Germany increase its power in the late 1800's A) it became an industrial giant B) it allied with the catholic church C) it built a navy to complete with
Do we get homework on this app
Problem page a pipe is 30 feet long. it needs to be cut into pieces that are each 23 feet long. how many pieces can be made from the pipe?
three ways how a child would deal with the negative impact of a divorce
What are two adjectives for James Monroe?
24x+2y=52 6x-3y=-36 How would I solve by elimination showing work
