Question

If the sum of a number and seven is tripled, the result is three less than twice the number. Find the number

Answer 1

x = -24

Explanation:

3(x + 7) = 2x - 3

3 * x = 3x

3 * 7 = 21

3x + 21 = 2x - 3

-21 -21

3x = 2x -24

-2x -2x

x = -24