11
y=11
(y-5)/4 = 7 y-5 = 28 y = 33
7
7
x=4 y=x+3 y=4+3 y=7
y=(7-x)/4
-7
x=7 y=4
4t-7=3y-4 y=3
(3, 1)
x - y = 5 + 2x + y = 7 => 3x + 0 = 12 => 3x = 12 => 3x/3 = 12/3 => x=4 x-y=5 2x+y=7 =>4-y=5 =>2(4)+y=7 =>y=4-5 =>8+y=7 =>y=-1 =>y=-1 So, the answer would be x=4 and y=-1