24-11-2020
Mathematics

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Please help!! I need the answer and the explanation on how to do this

Please help I need the answer and the explanation on how to do this class=

Respuesta :

iammrtrollface67 iammrtrollface67

24-11-2020

Answer:

the first one

Step-by-step explanation:

y=3x+2

2x+y=-4

becomes

3x+2=y

2x+4=-y

add them

5x+6=0

5x=-6

x=-5/6

take x and replace it for one equation

y=-8/5

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