What Method
What method should you use?
y=5x+34
y=-8x-5
Substitution
Solve!
y=4x+10
8x+3y=70
(2,18)
Solve!
3x-y=12
7x+y=18
(3,-3)
How many solutions?
-5x+4y=27
5x-4y=30
Nosol
What method should you use?
-x+5y=15
x+3y=9
Elimination
Solve!
x=7
y=4
(7,4)
Solve!
-x+17y=20
-x-8y=20
(-20,0)
Solve!
66x-47y=12
66x-47y=12
Inf
What method should you use?
-3x+6y=6
-x+9y=23
Elimination
Solve!
x=4y+16
9x-12y=24
(-4,-5)
Solve!
-2x+3y=32
6x+8y=40
(-4,8)
Solve!
7y-4x=16
7y-4x=78
Nosol
What method should you use?
x=-2y
-4x+7y=30
Substitution
Solve!
12x+y=13
8x+4y=12
(1,1)
Solve!
-5x-6y=40
-10x-8y=60
(-2,-5)
Solve!
95=8y+7
4x=3y+11
Onesol
(11,11)