04-12-2020
Mathematics

contestada

What is the solution to this system of equations?
x-2y=15
2x + 4y= -18
OA. x= 1, y=-6
OB. x= 1, y=-7
OC. x= 3, y= -6
OD. x= 3, y=-7

Respuesta :

13-12-2020

Answer:

Step-by-step explanation:

X=2y+15

2(2y+15) + 4y= -18

4y +30 +4y = -18

8y +30 =-18

8y= -48

-6= y

X-(2(-6))=15

X- (-12)=15

X= 3

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