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]

:)
Answer Link

Otras preguntas

How many grams are in 2.4 moles of sulfur?
How do I solve 2(a+2)=2?
I need the inequality answer.florence wants to buy onions and doesn't want to spend no more than $3. Can she buy 2.5 pounds ? They are 1.25 pound
convert to fraction .34
I need the inequality answer.florence wants to buy onions and doesn't want to spend no more than $3. Can she buy 2.5 pounds ? They are 1.25 pound
Anne has 24 more cards than Devi.  Anne finds that 3/5 of Devi's cards are equal to 1/2 of her cards.  How many cards does Anne have?
How do I solve 2(a+2)=2?
what the british government wanted?
convert to fraction .34
I need the inequality answer.florence wants to buy onions and doesn't want to spend no more than $3. Can she buy 2.5 pounds ? They are 1.25 pound