brenlynnwvu
brenlynnwvu
28-10-2014
Mathematics
contestada
X+2y=14
Y=3x-14
Substitution
Respuesta :
luana
luana
28-10-2014
[tex] \left \{ {{x+2y=14} \atop {y=3x-14}} \right.\\\\Substitution\\\\ x+2(3x-14)=14\\ x+6x-28=14\\ 7x-28=14\ \ \ | add\ 28\\ 7x=42\ \ \ | divide\ by\ 7\\x=6\\ y=3x-14=3*6-14=18-14=4\\\\Solution:\\ \left \{ {{y=4} \atop {x=6}} \right. [/tex]
Answer Link
amicnadi
amicnadi
28-10-2014
X+2y=14, okay so you have
to write X+2(3x-14)=14
Answer Link
VER TODAS LAS RESPUESTAS ( 81+ )
Otras preguntas
Lots of equations that equal 420? Anybody know some?
Lots of equations that equal 420? Anybody know some?
How do you solve this problem 1.1{1.1[1.1(1000)]}
ben is 140cm tall. Mike is 1090mm tall. Who is taller? how much taller?
How do you solve 5 is _____ % of 25
story name is hearts and hands ;how did mr. easton and miss Fairchild know each other in the past?
How do you solve this problem 1.1{1.1[1.1(1000)]}
how do i solve the equation 5n+4=-26
Intercepts of 9x^2+9y=81
After burning for three hours, a candle has lost half of its mad. Explain why this example does not violate the law of conversation of mass.
