Answer:
1.6x-y=5--->equ.(i)
3x+4=y--->equ.(ii)
substitution method
6x-y=5
y=5+6x--->equ (iii)
Replace y=5+6x into equ--->(ii)
3x-5+6x=4
3x+6x=4+5
9x=9
divide both side by 9
9x/9=9/9
x=1
Replace x=1 into equ (iii)
6(1)-y=5
6-y=5
y=5+6
y=11
then your x and y is
x=1,y=11
