ogunniyifunmilola47 ogunniyifunmilola47

22-02-2021
Mathematics

contestada

solve the
Pi
Simultaneous equation
using elimination
3x+2y=2
2x+2y =-7

Respuesta :

mhlangatania04 mhlangatania04

22-02-2021

Answer:

x= 9

y=-12.5

Step-by-step explanation:

3x+2y = 2×2

2x+2y =-7×3

6x+4y =4

- 6×+6y =-21

-2y =25

y=-12,5

2x+2(-12,5)= -7

2x+-25= -7

2x= -7+25

2x/2=18/2

x= 9

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