FRESHERTHANYOUU
FRESHERTHANYOUU FRESHERTHANYOUU
  • 08-03-2017
  • Mathematics
contestada

I need help with number 4

I need help with number 4 class=

Respuesta :

ramose4367
ramose4367 ramose4367
  • 08-03-2017
The best method to solve this system is by using one- step equations for y=-5x+7  and using two- step equations for 4x+3y=3

Hope this helps
Answer Link
ChandrikaP ChandrikaP
  • 08-03-2017
y= -5x+7----------------------1
4x+3y=3-----------------------2

rearrange the equation 1
5x+y=7
4x+3y=3

now multiply first equation by 3
15x+3y=21
4x+3y=3

now subtract both of eqns
11x=18
x=18/11
now put this x values in eqns and find y value
y=-5x+7
y=-13/11
Answer Link

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