Search 80,000+ tutors
Ask a question
0 0


Tutors, please sign in to answer this question.

1 Answer

I would say that the equation is 5y= 5(2y+4) Then, if the equality is true, the two exponents are equal; then we might say that y = 2y + 4 => Y = -4. To proof we have that  5^(-4) = 5^(-8+4). This is true so the answer is correct.