emoryjoshua emoryjoshua

15-01-2021
Mathematics

contestada

Use SUBSTITUTION to solve the system
2x+y=-2
5x+3y=-4

Respuesta :

jesuslovesyou1255 jesuslovesyou1255

15-01-2021

Answer:

x=-2,y=2

Step-by-step explanation:

2x+y=-2 ----> y=-2-2x----(1)

25x+3y=-4 ---(2)

Replace (1) in (2)

5x+3(-2-2x)=-4

5x-6-6x=-4

-x=-4+6

-x=2

x=-2

If x=-2,then replace x in (1)

y=-2-2(-2)

y=-2+4=2

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