5years it would take him to his account
If you are solving for a value, you can divide by -1
For example:
-x=5 (divide by -1)
x=-5
If you have an equation, you can negate every part
For example:
-x^2-2x+7=0 (negate)
x^2+2x-7=0
Answer:
scale triangle its side are not equal
Well in this question there is lots of unnecessary information. u only need to know as total they need to pay300. then there're 4people in total in the trip, 300/4=75