Answer: <em>-8x</em>
Step-by-step explanation:
<em>First, we need to take our given numbers</em>
<em>-12x+5x-x</em>
<em>Now let's start with the start of the equation</em>
<em>-12x + 5x = -7x</em>
<em>Now we take -7x and -x</em>
<em>-7x - x = </em>-8x
Step-by-step explanation:
hope it helps.
The answer to (-5)-3 is -8. I may be wrong but I did the work.
Answer:

Step-by-step explanation:
Given

Required
The cost of fencing (C)
The cost is calculated as:

Let:

So, we have:



<em>The question cannot be solved further since the dimension of the fence is not given</em>
<em>If you know the dimension, calculate the fence perimeter and substitute the value for x</em>