Melodia3906
Melodia3906 Melodia3906
  • 05-11-2020
  • Mathematics
contestada

Use substitution to solve the system.
x=3y+5
5x-4y=14
______________
x=
y=

Respuesta :

slick48 slick48
  • 06-11-2020
So what you do is go 5(3y+5)-4y=14 which equals 15y+25-4y=14 which turns into 11y+25=14 than you move the 25 over which equals 11y=-11 so y=-1 then you enter -1 in for y which looks like 5x-4(-1)=14 than you solve that which is 5x+4=14 than you move the 4 over and you get 5x=10 than x=2

x=2
y=-1
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