Problema Solution
If 5 is added to twice a number and this sum is multiplied by 5, the result is the same as if the number is multiplied by -13 and 2 is added to the product. What is the number?
Answer provided by our tutors
( 2x + 5 ) * 5 = x * (-13) + 2
10x + 25 = -13x + 2
23x = -23
or x = -1