Question

How many solutions does this linear system have?

y = x+ 2

6x – 4y = –10

Answer 1

Hello,
y=x+2==>x-y=-2 (1)
6x-4y=-10==>3x-2y=-5 (2)

-2*(1)+(2)==>x=4-5==>x=-1
(1)==>y=-1+2=1

sol ={(-1,1)}