Question

Need help with math, please help.

Answer 1

1. 7a-b

2. 6x+50

3. 1

4. y=6

Explanation:

just simplify.

Answer 2

4) 7a + 11b

5) i'm not sure

6) 3 (n = 3)

7) i can't see the last ones, but i know that y = 6

i hope this helps

sorry i can't help more :(

Have a great day!