02-11-2017
Mathematics

contestada

Solve equations with 3 variables

Solve equations with 3 variables class=

Respuesta :

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

riddle: What can point in every direction but can't reach the destination by itself?

Water (H2O) is a liquid at room temperature (22 °C) while methane (CH4) is a gas. Which BEST explains the difference in their phases of matter at room temperatu

please help!! what court case is for this scenario? U.S. Supreme Court, state court, or federal court The states of Florida and Alabama do not approve of the

Can someone please help me with this Question from my LO task grade 12 Steps to RUN a campaign

help with this as well

Breifly describe how traits are passed down from human parents to their offspring. In your description, be sure to include the terms gene, chromosome, and meios

jamie read an 80 page book in 2 hrs. how long would it take him to read a 100 page book?

A 24.0 g sample of iron was heated from 0°C to 35.0°C. It absorbed 4087.4 J of energy as heat. What is the specific heat of this piece of iron? Round to the nea

A high-stress job, overcrowding, and long commutes to work are examples of the way some psychologists conceptualize stress as a ________.

3. Which value is not needed to construct a box plot? A. upper quartile B. minimum value C. median D. mean