Happy
Birthday
100
Solve by graphing. y= 3x - 3 y = -1/2x + 4
(2, 3)
100
Solve by graphing. x + y = 1 3x - y = -13
( -3, 4)
200
Solve by graphing. x + y = 8 x - y = 10
( 9, -1)
200
Solve by graphing. 3x - 2y = 5 y= 5
(5, 5)
300
Solve by graphing. x = 4 3x - 2y = 8
(4, 2)
300
Solve by graphing. 4x + 5y = 20 y = -4/5x + 1
no solution
400
Solve by the substitution method. x = 3y + 13 x - 2y = 15
(19, 2)
400
Solve by the substitution method. 3x + y = 5 3x + 4y = 11
( 1, 2)
500
Solve by the substitution method. 3x + 7y = -6 y = 6x - 3
(1/3, -1)
500
Use the substitution method. -4x + y = -7 x + 3y = 18
(3, 5)
M
e
n
u