Addition
x - 4 = 36
x = 40
x + 7 = 13
x = 6
x/5 = 12
x = 60
2x = 100
x = 50
50 = y + (-7)
y = 57
-17 = 15 - y
y = 32
6 + x/3 = 17
x = 33
7x - 2 = 40
x = 6
2y - 3 +3y = -23
y = -5
9 = -x + 7 -1
x = -3
-10 = x/4 - 5 + 5
x = -40
-45 = -15y
3 = y
2x + (-4) + 10 = 26
x = 10
55 = 9x + x +10
5 = x
-y/4 = 10
y = -40
100 = -25m
-4 = m
-14 - 2x - 14 - 6x + 2x = -34
x = 1
-18 + 2x + 20 = 42
x = 20
14 -x/3 = 14
x = 0
-5x - 5 + 5x = 50
x = no solution