book Maths Puzzle Numerical Ability

4/(x-4)^2=1

i having alot of trouble with this one. I think i need to get the numerator over to the other side.

Read Solution (Total 0)

book Other Question

how do you solve equations that have different logs: log5(x-4) = log7x, solve for x
The 5 and the 7 are little find 3 consecutive even integers such that the sum of the first three is 24 more than the fourth