Answer:
SUBSTITUTION METHOD:
3y - 7y - 22 = 14
-4y - 22 = 14
-4y = 14 + 22
-4y = 36
y = 36/-4
y = -9
Hope it helps!
18% is the % of the tip
pluge in
3/2*6-3+5/3*3
1/4-3+5/6
3/12+10/12-3
13/12+3
4.083333