Seudónimo Seudónimo
  • 07-12-2020
  • Mathematics
contestada

‐4x+7y=‐13
-2x+8y=‐2
Solve the system of equation

Respuesta :

amarinicole
amarinicole amarinicole
  • 07-12-2020

Answer: Solve for the first variable in one of the equations, then substitute the result into the other equation.

Point Form: (5,1)

Equation Form: x=5,y=1

Answer Link
avashams avashams
  • 07-12-2020

Answer:

(5,1)

Step-by-step explanation:

4x + 7•(x /4-1/4) = -13

   -9x/4 = -45/4

   -9x = -45

Solve equation for the variable  x

 9x = 45

  x = 5

By now we know this much :

x = 5

   y = x/4-1/4

Use the  x  value to solve for  y

   y = (/4)(5)-1/4 = 1

Answer Link

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