Identify the incorrect statements.
7+8×9=7+8+7×9
Using DMAS Rule, we have
7+8×9=7+72=79
Similarly, 7+8+7×9=15+63=78
Thus, 7+8×9≠7+8+7×9
Hence, the given statement is incorrect.
7+8+9=7+8+9
Identify the incorrect statement
7×8×9=7×8+7×9