sledwards805 sledwards805

15-01-2021
Mathematics

contestada

Could use some help please
2x+y=-4
-3y=2x+12

Respuesta :

poiuytrewqqwertyuiop poiuytrewqqwertyuiop

15-01-2021

Answer: 3y=12−2x 3 y = 12 - 2 x

Step-by-step explanation:

Answer Link

SiliconFinisher1 SiliconFinisher1

15-01-2021

Answer:

Let

2x+y=-4——(1)

-3y=2x+12

2x+3y=-12—-(2)

Deduct eqt 1 from 2

(2x+3y=-12)

-(2x+y=-4)

2y=-8

y=-4

Put y=-4 into eqt 1

2x-4=-8

2x=-8+4

2x=-4

Divide both sides by 2

x=-2

:. x,y= -2,-4

Step-by-step explanation:

Answer Link

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