X + 9 = 14, X = 5
X — 7 = 28, X = 35
2X + 1 = 25, X = 22
3 * X + 1 = 28, X = 9
2 * (X + 4) = 16, X = 2
2 * (X — 1) = 28, X = 15
7 * (X + 5) = 21, X = -2
9 * (X — 6) = 81, X = 15
5 * (X + 4) = 25, X = 1
12 * (X — 6) = 48, X = 10
2 * (X — 1) + 2 = 14, X = 7
3 * (x — 11) + 2 = 2 X, X = 33
3 X = 2 X + 7, X = 7
4 X = 2 X + 11, X = 5.5
3 X + 5 = 2 X + 7, X = 2