One-Step: Addition or Subtraction
x + 9 = -3
x = -12
-6x = 48
x = -8
11k + 9 = 42
k = 3
13t - 7 - 10t = 2
t = 3
25u + 74 = 23u + 92
u = 9
23 = y - 11
y = 34
w/7 = 9
w = 63
a/3 - 11 = -5
a = -48
22 + 4y - 14 = 0
y = -2
-5k - 19 = 5 - 13k
k = 3
r - 23 = -6
r = 17
-60 = -5a
a = 12
-18 + w/2 = -7
w = 22
3(7 - 2y) = 9
y = 2
13 - 3p = -5(3 + 2p)
p = -4
21 + m = 4
m = -17
-8 = b/8
b = -64
80 = 23 - 3v
v = -19
2 = 4(3k - 8) - 11k
k = 34
7(2p + 1) = 14p + 7
all real numbers
-n - 72 = 72
n = -144
84 = -21v
v = -4
-x/2 + 4 = 12
x = -16
-5g - (8 - g) = 12
g = -5
8v = 2(4v + 2)
no solution