The length of the side of the original square is 7cm
757 units squared. Here is work:
64+36=c^2
100=c^2
square root both sides for 10=c
10 is your answer
So you use the distributive property. so, -3y+15=24
-3y=9
y=-3
Answer:
x=12
Step-by-step explanation:
you need the x alone so you substract 3 from both sides.
Then you have, -x= -12
You need the x positive so you change the sign for it but as it is an equation you need to do the same thing on the other side, making both sides positive.
x=12