Please answer its difficult for me

As you can see we need to cancel the coefficient of x to get the value of x that will satisfy the whole equation...

Hope this helps you

Step-by-step explanation:

division property of equality

3x will be divided by it self along with 42 leaving you with your answer as 3 is cancelled and only x is left.

she played for 18.75 hours.

step-by-step explanation:

if she played 2/4 of a hour on tuesday. and there is 60 minutes in an hour and 60 divided by 4 is 7.5. and she played 2/4 of an hour on thursday then again 60 divided by 4 is 7.5, you add 7.5+7.5=56.25. now you have to do 1/4 of an hour, it equals 3.75. now you have to add them all up. 3.75+7.5+7.5=18.75

i hope this and i hope you get it right. it took me a while to get this done for you. : )