Question 979878
Hi there,
(x - 7)/x = 48/x + 7
First sort out denominator
=x(x + 7)
Next cross multiply
(x - 70(x + 7) = (48)(x)
x^2 - 49 = 48x
sort equation into ax^2 + bx + c = 0 form
x^2 - 48x - 49 = 0
Factorise
(x + 1)(x - 49) = 0
So,
x + 1 = 0
x = -1
or
x - 49 = 0
x = 49
Hope this helps:-)