alrOwen alrOwen
  • 21-04-2021
  • Mathematics
contestada

X = 10
3x + 5y = 20
What is the solution (x,y) of the system of equations?

Respuesta :

220113680 220113680
  • 21-04-2021
3x+5y= 20

3(10)+5y= 20
30+5y= 20
-30 -30
——————
5y=-10
———-
5 5

y = -2

(10,-2)


Answer: (10,-2)
Answer Link
diosacheaaa
diosacheaaa diosacheaaa
  • 21-04-2021

Answer:

X=10

Y=-2

Step-by-step explanation: The value of X is given therefore you use it to find the value of Y in the equation:

3(10)+5y=20

5y=20-30

5y=-10

5y/5=-10/5

5 is cancelled out leaving y=-2

I hope this helps. :)

Answer Link

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