-3y/4+2 = -1
Multiply all terms by 4:
-3y+8 = -4
Subtract 8 from both sides:
-3y = -12
Divide both sides by -3 remembering that a -/- becomes a +
Solution: y = 4
x+3y=2 x= -5 y = 1
x = 5, y = -1
Yes and it works out that x = 3 and y = 4
Your equations are not worded properly.
y=16 x= -4