Question

HOW do I solve these questions?

5(1+9v)
20b+12
-9/4r=-9/2
Please show how you solved this.

Answer 1

Use a calculator it helps

Answer 2

Okkk

Explanation:

1. 5(1+9v)=5+5x9v=5+(5x9v)=5+45v

2.(20:4/12:4)=4(5b+3)