Question

Write and solve an equation that represents the following: A number decreased by 12 is 24.

x - 24 = 12; x = 36
x - 12 = 24; x = 36
24 - 12 = x; x = 12
x + 12 = 24; x = 12

Answer 1

x - 24 = 12; x = 36

or

x - 12 = 24; x = 36

Explanation:

Answer 2

x - 24 = 12; x = 36

Explanation:

Sub in the 36 for the x in the first equation

36 - 24 = 12 Subtract the 36 and 24

12 = 12