Answer:
There is no error
Step-by-step explanation:
While it is not necessary to guess an answer, because the answer can be calculated using the properties of equality, guessing is a legitimate solution method actually taught in (some) schools these days.*
The equation is properly written, data properly filled in, and the solution properly verified. There is no error.
_____
* What doesn't seem to be taught in US schools are methods of refining an incorrect guess. These are actually well-developed, and are legitimate ways to get to a good answer.
Answer:

Step-by-step explanation:
Given



Required
Find y

So, the expression becomes

Collect like terms


Collect like terms


Make y the subject


All equations of lines must be wrote in the form: Y=mx+c
m= the gradient
c= y intercept
Y= 3x+2
Hope this helps!
75 100
4 * 5
300 500 it would be baseball camp. exactly
They ran the same amount of miles, because the zero at the end doesn't count.