When you triple four you get 12. Subtracting 2 each day would result in 6 days for 6 is half of 12.
The equation is 
-
= 
Solution
<u>Step 1:</u>
Take square on both sides, we get
3x - 2
-2 = x +2
<u>Step 2:</u>
Subtract 3x - 2 from both sides, we get
-2
<u>Step 3:</u>
Again, square on both sides in order to get rid of the square root from the above equation, we get
Now we have to simplify it,
<u>Step 4:</u>
Now we have to solve this quadratic equation, in order to get the solution.
We get x = 2 and x = -2, When we verifying solution in the original given equation, the solution does not satisfy the equation.
Reason: We get negative number in the square root.
Therefore, it has no Roots.
<em>Answer: b) No roots</em>
Add 2 to both sides then divide 9 from both sides :)
the answer is 5.411.
https://youtu.be/MdthGCQfC0o
this is a link to a video about subtracting decimals simply
The rule associated with moving decimal places, and multiplying by a value or multiple of 10, would be the following :
If you divide a value by 10 or a multiple of 10, you would move the decimal place to the left number of times as there are zeros in the multiple.
(Assuming that there are no zeros in the numerator value)
If you multiply by 10 multiple, then you would move the decimal to the right that many times as there are 0's in the value.
The solution would be that the decimal number is multiplied by 100.
