18-02-2020
Mathematics

contestada

Y= 1/2x-4 and y= -2x-9 what is the solution of equations

Respuesta :

miljanamilovanovic12 miljanamilovanovic12

18-02-2020

Answer:

(x,y)=(-2,-5)

Step-by-step explanation:

y=1/2x-4

y=-2x-9

(y=) 1/2x-4=-2x-9

1/2x +2x=-9+4

1/2x +4/2x=-5

5/2x=-5

5x=-5*2

5x=-10

x=-2

x=-2

y=-2x-9=-2*(-2)-9=4-9=-5

(x,y)=(-2,-5)

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