systems of equations with graphing
y = 1x + 1
y = 1/2 x + 3
(4,5)
5x - 7y = 58
y = -x + 2
x = 6
y = -4
13x + 2y = 1
5x - 2y = 19
x = -1
y = 7
substitution
-5x + 4 = 3
x = 2y - 15
x = 9
y = 12
y = -x + 7
y = 2x + 1
(2,5)
15x + 31y = -3
x = -y + 3
x = 6
y = -3
-3y + 5x = 26
-2y - 5x = -16
x = 4
y= -2
elimination
-5y + 8x = -18
5y + 2x = 58
x = 4
y = 10
y = 3x
y = 1/2x + 5
(2,6)
10x - 9y = 24
y = x - 2
x = -6
y = 4
-2x + 15y = -24
2x + 9y = 24
x = 12
y = 0
graphing
2x + 2y = 6
4x - 6y = 12
(3,0)
y = x + 1
y = -2x - 8
(-3,-2)
2x + 7y = 3
y = -4y
x = 12
y = -3
-5x + 8y = 0
-7x - 8y = - 96
x = 8
y = 5
substitution
-5x + 2y = 9
y = 7x
x = 1
y = 7
y = 2x -4
y = -1/3x + 3
(3,2)
12x - 5y = -20
y = x + 4
x = 0
y = 4
2y - 3x = -27
5y + 3x = 6
x = 7
y = -3
graphing
2x - y = 4
x - y = -1
(-3,-2)