Try this less than 90 degrees or abtuse angle
14-2x=6+12x
14=6+10x
8=10x
0.8=x
15 = 6 I hope this is what you are looking for
I hope this helps you
a) x = -4 y = -2
4. (-4) - 3. (-2)= -16+6=-10
b) x= -1 y= 2
4.(-1)-3.2= -4-6= -10
c) x= 1 y= 4
4.1-3.4= 4-12= -8
d) x= 3 y= -1
4.3-3. (-1)= 12+3=15
