six is subtracted from a number. The result is divided by four. this result is added to 10 to give 30. what is the number?
a. 4 b. 80 c.86 d.16
(N - 6) / 4 + 10 = 30 subtract 10 from both sides
(N - 6) / 4 = 20 multiply both sides by 4
N - 6 = 80 add 6 to both sides
N = 86
+4 
