. Determine whether each of the following systems of equations have one solution, infinitely many solutions,
or no solution. Select the correct answer for each lettered part.
a.
e.
x + y = 5
|-бу - бу = 30
3x + y = 5
6x + 2y = 12
3x + 5y = 17
-6x 10y=-34
-
b.
d.
x+y=7
5x+2y=23
(2x + 5y = -12
x + 7y=-15
