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 ( 56+ )
Otras preguntas
2. What two features must a sample have if it is to accurately represent a population?
If the force experienced by a positively charged balloon is 2.7 newtons and the electric field strength is 7.8 × 105 newtons/coulomb, what is the magnitude of t
which term describes an enzyme
Identify two different habitats in a prairie ecosystem.Name one organism found in each habitat.
The barrel of a gun is also known as what? Rifle Caliber Bore Gauge
How to say how are you in tonga
Which Byzantine leader restored the use of icons in 843 CE? - Theodora - Justinian - Basil - Leo III
Given that cos (x) = 1/3, find sin (90 - x)
Identify the oblique asymptote of f(x) = quantity x squared minus 4 x plus 8 over quantity x plus 2. y = 0 y = x - 2 y = x - 6 No oblique asymptote
If the ordered pair (2,4) is on the graph f(x), find one ordered pair that will be on the following functions: a) f(x)-3 b) f(x-3) c) 2 f(x) d) f(x-
