helpmetrice helpmetrice

29-05-2017
Mathematics

contestada

can you help me solve this equations?
2x-3y=1
4x+y=9

Respuesta :

PanicPenguin PanicPenguin

29-05-2017

2x-3y=1
4x+y=9
1) 2(2x-3y=1)
2) 4x-6y=2
- 4x+y=9
    -7y=-7
     y=1
3) 4x-6(1)=2
        +6
    4x=8

A =
x= 2
y= 1

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