faithdixon faithdixon

09-11-2017
Mathematics

contestada

How many solutions does the system have?

x−3y=7

−2x+6y=6

How many solutions does the system have x3y7 2x6y6 class=

Respuesta :

choixongdong choixongdong

09-11-2017

multiply first equation by 2
2x - 6y = 14
-2x + 6y = 6
-------------------add
0x + 0y = 20
0 ≠ 20

answer
zero solution

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