gshreya2005
gshreya2005
18-08-2018
Mathematics
contestada
need help fast i am stuck.
Respuesta :
alesparkles
alesparkles
18-08-2018
Well since you have y=5x-4 you can substitute that into 7x-3y=20
7x-3(5x-4)=20
That would equal x=-1
Since you know what x is, you can substitute that into the second equation
y=5(-1)-4 which would equal -9
x=-1
y=-9
Hope this helps!
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