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 ( 15+ )
Otras preguntas
What does the term quixotic mean?
[1] Thomas Paine’s Common Sense was published in 1776. [2] The Revolutionary war began that same year.
Who led efforts to draw up the Japanese constitution a) Hideki Too b) Harry Truman c) Emperor Hirohito d) Douglas MacArthur
Which compound contains ionic bonds?(1) NO (3) CaO(2) NO2 (4) CO2
Which statement best describes electrons?(1) They are positive subatomic particles and are found in the nucleus.(2) They are positive subatomic particles and ar
At STP, which element is solid, brittle, and a poor conductor of electricity? (1) Al (3) Ne (2) K (4) S
Which type of reaction occurs when a high energy particle collides with the nucleus of an atom, converting that atom to an atom of a different element? (1) addi
a major obstacle to developing good human relations skills is that?
Given the reaction: Mg(s) + 2 AgNO3(aq)--> Mg(NO3)2(aq) + 2 Ag(s) Which type of reaction is represented? (1) single replacement (3) synthesis (2) double repl
Which pair of symbols represents a metalloid and a noble gas?(1) Si and Bi (3) Ge and Te (2) As and Ar (4) Ne and Xe
