Question 1085513
14x+3y=1
4x-y=4; y=4x-4
substitute
14x+3(4x-4)=1
14x+12x-12=1
26x=13
x=1/2
substitute into first equation
7+3y=1
3y=-6
y=-2
check in second
4(1/2)-(-2)=2+2=4, checks
(1/2, -2)