Question

find the point of intersection of the
lines 4x + 8y-1=0, 2x-y+ 1 = 0​

Answer 1

4x+8y-1=0. 4x+8y-1=0
2x-y+1=0. X2. 4x-2y+2=0
- +. -
__________.

10y-3=0
y=3/10
2x-3/10+1=0
2x=3/10 -1
2x =-7/10
x=-7/20
Intersection point. { -7/20,3/10}