Question

Can someone check my answers? And if there wrong can you help me?

y-5 / 3 = 1
-2
8
18
6

Combine like terms:

-21a + -16a
-5a
5a
37a
-37a

Simplify the expression:

9a - b - 2a - 10b
-7a +11b
11a + 9b
-11a + 9b
7a + 11b

5 (x+10) + x
6x + 15
5x + 15
6x + 50
4x - 50

Solve the equations:

-4n + 7 + 2n = 1
1
3
-3
4

4(y-4) = 8
-2
2
4
6

My answers:
A
D
C
C
B
A

Answer 1

I started to check this and got lost. Please repost, numbering your questions and numbering your answers. Also identify the choices with letters.

Answer 2

Ok just a sec