Answer:


Step-by-step explanation:
Let


Currently:

Two years ago

Required
H and B
We have:

Open bracket

Add 2 to both sides


Substitute 

Collect like terms


Substitute
in 



Answer:
Well the answer is the first one 3 (5 x) and 15x
Step-by-step explanation:
Because it is the same thing as (5 x) 3. The numbers just changed the positions.
And 15x because you can multiply the first 5 times 3 and that is equal with 15 and then you put the x at the end. 15x
Answer
X = 8
Step-by-step explanation:
1x - 2 = 6
1x = 6 + 2
1x = 8 (divide both sides by 1 to get x)
1x/1 = 8/1
x = 8
42
(125/3 = 41.6..., 41.6... rounded is 42)