Answer:
There's 10
Step-by-step explanation:
You count the little squares, which give you 9 and then you count the big square that all of the little squares are in, which gives you 10 squares in total
Please see attached picture for full solution.
speed I'm pretty sure sorry if its wrong
3x+3
add up x-3,x+6 and x
combine like terms
x+x+x-3+6=3x+3
