InfinityDuck9 InfinityDuck9

29-01-2021
Mathematics

contestada

What value of "a" makes the system 3x-y=17 and ax+y=-7 have no solution?

Respuesta :

Parasmahata Parasmahata

01-02-2021

Answer:

y=-7-ax

3x-(-7-ax)=17

3x+7+ax=17

3x+ax=10

x(3+a)=10

x=10,3+a=10 a=10-3 a=7

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