Question

1) 2x+7x=

2) 8b-5b=
3) 5m+2m-4m=
4) a+a+a+a+a=
5) 2x+3x+6x-4x=
6) 2a+2b+a+3b=
7) 2x+7x-4=
8) 2m-2b-m+4b=
9) 10a+2b+2c+3a-b+4c=
10) 5+2 b-4+7 b=
11) 9 p+3 q-2 p-3 q=
12) a+2 b+a-b-10=

Answer 1

Answer: 1: 9x

Step-by-step explanation:

2: 3b

3: 3m

4: 5a

5: 7x

6: 3a+5b

7: 9x-4

8: m-6b

9: 13a+3b+6c

10: 1+9b

11: 7p

12: 2a+1b-10