x + 7 = 42x = 42 - 7x = 35
36 ÷ x = 436 = 4xx = 36 ÷ 4x = 9
9x = 45x = 45 ÷ 9x = 5
x ÷ 6 = 6x = 6 * 6x = 36
x + 7 = 42
x = 42 - 7
x = 35
36 ÷ x = 4
36 = 4x
x = 36 ÷ 4
x = 9
9x = 45
x = 45 ÷ 9
x = 5
x ÷ 6 = 6
x = 6 * 6
x = 36