2livee 2livee
  • 02-11-2017
  • Mathematics
contestada

Solve equations with 3 variables

Solve equations with 3 variables class=

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

Otras preguntas

write the input and output device of mobile ?​
Parts of the cells!​
The following information is available for a potential investment for Panda Company: Initial investment $95,000 Net annual cash inflow 20,000 Net present value
Choose the student who correctly used translation to write an equation. The product of eight and a number is forty-eight. Mercedes’ work 8 + m = 48 Taran’s work
Evaluate 3x 2-2x when x=5
Groot Promotional Services uses a job order system for costing and billing promotional services for dance and ballet performances. Groot has four public relatio
is this a function if not what is it?
A method for conducting risk factor identification that generates ideas but doesn't focus on decision making is:_________ a) A brainstorming meeting. b) The D
What is the on ohooke benden er ord power What is the main difference between work, power and energy
a road shown measured on a map is 2.5 cm the actual distance on land is 4 km.what is the scale used.