Answer:
What grade is this?
Step-by-step explanation:
(c) 4x - 7
7x - 3x
= -4x
-5 -2
= -7
4x - 7
do like the picture I sent
4 14/15
8 3/5 - 11/3
8 9/15 - 55/15
8 9/15 - 3 10/15
7 24/15 - 3 10/15
a.