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 ( 11+ )
Otras preguntas
In the step by step simplification of expression below which property is not used? 3(1+x)3(x+1)3(x)+3(1)3x +3 A) associative B) commutative C) distributive D)
A laptop computer is priced at $650. If the sales tax is 5%, find the total cost of the computer, including sales tax.
A laptop computer is priced at $650. If the sales tax is 5%, find the total cost of the computer, including sales tax.
A laptop computer is priced at $650. If the sales tax is 5%, find the total cost of the computer, including sales tax.
i need with math it say the ride-it store rents bicycles. the cost is $8.50 for 1 hour, $13.64 for 2 hours, $18.80 for 3 hours, and 23.95 for 4 hours. if the pa
A laptop computer is priced at $650. If the sales tax is 5%, find the total cost of the computer, including sales tax.
Proof: Given: Isosceles trapezoid TRAP with TR=PA Prove: Angle RTA = angle APR
i need with math it say the ride-it store rents bicycles. the cost is $8.50 for 1 hour, $13.64 for 2 hours, $18.80 for 3 hours, and 23.95 for 4 hours. if the pa
Proof: Given: Isosceles trapezoid TRAP with TR=PA Prove: Angle RTA = angle APR
A laptop computer is priced at $650. If the sales tax is 5%, find the total cost of the computer, including sales tax.
