simplify the expression (7 + 5) + x 13 - 2
To simplify the expression (7 + 5) + x 13 - 2, we can combine like terms:
(7 + 5) + x 13 - 2 = 12 + x 13 - 2
Now, we can subtract 2 from 12:
12 + x 13 - 2 = 10 + x 13
Therefore, the simplified expression is 10 + x 13.