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

How do you Factor c(squared)-8c ??
5x+4y+100 in slope intercept form
which factor made the most difference in how agriculture affected the economies of the colonies?
Which of the following organisms can perform alcoholic fermentation? (1) yeast, (2) humans, (3) bacteria. a. 1 and 2 b. 1 and 3 c. 1 only d. 1, 2, and 3
Determine whether the sequence coverage or diverges. If it converges, give the limit. 48, 8, 4/3, 2/9, ...
By the mid-1700s, the largest city in the colonies was (A) New York (B) Boston (C) Philadelphia (D) Charleston (E) Wilmington, Delaware
the cafeteria has 45 square  tables that can be pushed together to form one long table for the lacrosse team's banquet. Each square table can seat one person on
Explain how a species can evolve through natural selection.
Which of the following can be considered fossils? a. a 1 billion year-old rock. b. a 1 billion year-old piece of amber. c. a 1 billion year-old piece of amber w
What is the mean of 87, 93, 86, 90, and 84?