Starts With S
y = x + 4
y = 2x + 5
a. I
b. II
c. III
d. IV
r + s = -6
r - s = -10
x = 4y
2x + 3y = 22
y = 3x - 2
y = -x - 2
a. (-2, 0)
b. (0, -2)
c. (1, -3)
d. (-3, 1)
8a + 5b = 9
2a - 5b = -4
y = x - 2
3x - y = 16
y = -3
x = 5
a. (0, 0)
b. (-3, 5)
c. (5, -3)
d. (2, 2)
10x + 15y = 30
3x + 5y = 15
y = 3x - 1
7x + 2y = 37
y = (1/3)x - 3
2x - y = 8
a. (3, -2)
b. (3, 0)
c. (0, -8)
d. (4, 0)
2a - 4b = 12
-8a + 16b = -48
3s - 2t = 4
t = 2s - 1
y - 3x = 3
y = 3x - 2
a. infinite solutions
b. no solution
c. one solution
(1/3)x + (1/4)y = 10
(1/3)x - (1/2)y = 4
t + u = 12
t = (1/3)u