jenniiiferr jenniiiferr
  • 17-04-2017
  • Mathematics
contestada

I need to know how I can solve this math question , can you help me

I need to know how I can solve this math question can you help me class=

Respuesta :

Kmieteczka
Kmieteczka Kmieteczka
  • 17-04-2017
{[tex]y=-\frac{1}{4}x+5[/tex]
{[tex]y=x+2[/tex]

{[tex]y+\frac{1}{4}x=5[/tex]  [tex]|*4[/tex]
{[tex]y-x=2[/tex]

{[tex]4y+x=20[/tex]
{[tex]y-x=2[/tex]
+______________
[tex]5y=22[/tex]

{[tex]y=4\frac{2}{5}[/tex]
{[tex]4\frac{2}{5}-x=2[/tex]

{[tex]y=4\frac{2}{5}[/tex]
{[tex]x=2\frac{2}{5}[/tex]

:)
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