What is the reason for the last step in the argument?
a) division
b) addition
c) subtraction
d) symmetric property

A) division

Step-by-step explanation:

4x=-4

4x/4=-4/4 (dividing by 4 on both sides)

x=-1

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. : )

i used to know but i learned it a long time ago sorry

step-by-step explanation: