Question

Three times a​ number, minus 7​, is equal to two times the​ number, plus 6. Find the number.

Answer 1

Answer: The answer is 13.

3x - 7 = 2x + 6         1. Set up equation

-2x        -2x              2. Isolate variables to one side, by subtracting 2x.

x - 7 = 6                   3. Isolate coefficients by adding 7.

  +7    +7

x = 13                       4. This is your answer.