It would be
-3u-18-6u
If you simplify this it would be -8u-18
I do not have this answer. however there is a app on app store called photo math check it out. its very acurate and helps me out in college math. good luck
Is there anymore to the question? I need some more information to be able to help
1+3x
Distribute -7 through the parenthesis
Yes, it has the same result
look at the picture. the red triangle is the first image. the green one is the result of reflecting over x-axis. then if you reflect it over y-axis, it would be the purple triangle
if you had rotated the red triangle at first, it would have the same result
good luck