Solve simultaneously the equations of m and n

Question

m is the line:  x+4y-8=0

n is the line:  x-y-3=0

 

Answer 1

x+4y-8=0

x-y-3=0

x+4y=8

x-y=3

subtract

5y=5

y=1

substitute

x+4-8=0

x-4=0

x=4

(4,1)