Respuesta :

Answer:

the x should be 10x7-(9x6)

Step-by-step explanation:

because it should be 10x7-(4+30)

Answer:

The first line has a mistake, multiply and divide  before add and subtract

Step-by-step explanation:

10*7 - (4+5*6)

Parentheses first

10*7 - (4+5*6)

Inside the parentheses we multiply and divide first

10*7 - (4+30)