Question

Tell all the answers. I'll only mark correct answers Brainliest.​

Answer 1

Step-by-step explanation:

1) 2(x+4)= 12

2x+8=12

2x= 12-8

x= 4/2

x= 2.

2} 7/2 x-6/14x 2/3

after simplification

answer will be 2/2 = 1

3}21b-32+7b-20b

21b+7b-20b+32

8b+32