pinkstonjmy23 pinkstonjmy23

15-11-2019
Mathematics

contestada

Solve the following equations
2x+y=-1
3x-y=-9

Respuesta :

greenpigment greenpigment

17-11-2019

Step-by-step explanation:

2x + y = -1•••• (1)

3x - y = -9••••(2)

Add eqn (1)+ eqn(2)

5x= -10

x= -2

substitute x in eqn(1)

2(-2) + y = -1

-4+y=-1

y = 3

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