The first two are right. The last one is wrong.
9a-b-2a-10b = 7a-11b
1. x/4+1=-5
A)-2
B)16
C)4
D)-24 ****??
2. 6x+29=5
A)-4******
B)-18
C)204
D)-144
3. combine like terms
-21a+16a
-5a****
5a
37a
-37a
9a-b-2a-10b simplify
-7a + 11b
11a + 9b
-11a-9b
7a-11b
?????
solve -4n + 7 + 2n=1
1
3
-3
4
solve 4(y-4)=8
2 answers
solve -4n + 7 + 2n=1
---> -2n = -6
n = 3
solve 4(y-4)=8
divide by 4
y-4 = 2
y = 6
---> -2n = -6
n = 3
solve 4(y-4)=8
divide by 4
y-4 = 2
y = 6