Question

Please help me. It would mean a lot​

Answer 1

8+2x and 3(x+4)-(4+x)

Explanation:

2(x+4)=2x+8 interchanged to 8+2x

3(x+4)-(4+x) simplified to

3x+12-4-x collect like terms together 3x-x+12-4=2x+8