Simply record each step. 63-(9*7)= step 1 step 2

step 1 multiply the parentheses

63 - (63)

step 2 subtract

63 - 63= 0

step-by-step explanation:

you can add the two numbers and divide the result by 2. or you can find the gap between the two numbers and add half of this to the smaller number.

for me what is finding a good play list and going out because i can not lay down and relax so i usually go to a coffee shop. i also use the gum trick and this actually works. another advice is highlighting subjects it really does me remember certain things

step-by-step explanation: