Question

A = 4b
a - b = 9
what is the answer to this on shown work?

Answer 1

B=3 because in the variable there is always wanted invisible one you have to remember that

Answer 2

Answer:b=3

Explanation:

If a=4b then,

4b-b=9

4(3)-3=9

4x3=12 then - that by 3

So, 12-3=9

Hope that helps