4x9x50=200x9=1800
imadummy property
It is unknown for right now.
0.6b + 3c
Like Terms and Variables
-7a-7b
7a
The relevant expression is 7a.
4x9x50=200x9=1800
imadummy property
91
It is unknown for right now.
It looks like you've taken 'a' away from '7a' three times, so you probably have 4 of them left.
-2ab
12a- 6a + a = 7a Since they all have the same variable, you can simply add and subtract 12-6 = 6 6+1 = 7
Simplify each expression
9a + 1