(6+9)×[(120-90)-9]÷7

llm

Answered on Thu Dec 03 2020

Lets try and do the first bracket (6+9) which is equal to 15.

So we have 15 x [(120-90)-9]÷7.

Now will do the square bracket first:

[(120-90)-9] = [30-9]=21

So now we have 15x21/7.

We know that 21/7=3

So we are left with 15x3.

15x3=45.