Two-Step
-4x + 7 = 31
x = -6
19 = 10 - 5w + 9w - 7
w = 4
8x + 17 = 2x + 35
x = 3
7x - 9 = 7x + 16
NO SOLUTION
x - 11 = -3
x = 8
0.4x + 9 = 11
x = 5
-19 = -5 - 3a - 11
a = 1
-4y + 6 = -3y + 12
y = -6
4(2r + 3) = 15r - 11 + 1 - 7r
NO SOLUTION
c/-8.4 = 6.2
c = -52.08
1/2y - 5 = -7
y = -4
7(3k -2) - 13k = 82
k = 12
17 - 5r + 9r = -12 + 6r - 1
r = 15
2(12 - y) = 23 - (2y - 1)
24 = 24
INFINITE SOLUTIONS
1/4p = -9
p = -36
(x - 1)/6 = 2
x = 13
r = 13
3/4(20n - 4) = 8n - 45
n = -6
2(3n + 8) = -30 - (6n + 2)
n = -4
w - 4 2/5 = 1/10
w = 4 1/2
(x + 19)/-2 = 5
x = -29
6(8 - 3x) - (2x + 1) = 107
x = -3
-4x + 29 - x = 2(x - 17)
x = 9
-4(4r - 5) = 34 - 2(8r + 7)
20 = 20
INFINITE SOLUTIONS
-14 = r2 - 23
r = +/- 3