Question

please help


5a = 5b
-- --
x x-1

Answer 1

wat does the ques mean ? wat do they want from the equations

Answer 2

(5a)/(x)= (5b)/(x-1)
Multiplying by x(x-1)
5a(x-1)= 5bx
Dividing by 5
a(x-1) = bx
ax-a = bx
ax-bx = a
(keeping the x-terms on one side and the constant part on the other side)
(changing sign while changing side)

(a-b)x = a
x = a/(a-b) (dividing by (a-b) )
Verification: (5a)/(x)= 5a/[a/(a-b)] = 5(a-b)(cancelling a)
RHS = (5b)/(x-1)
= 5b/[a/(a-b)-1]
=5b/{[a-(a-b)]/(a-b)}
=5b/{a-a+b/(a-b)}
=5b/[b/(a-b)]
=5(a-b) (cancelling b)
=LHS

Answer 3

correct?

Answer 4

x = a/(a-b)

Answer 5

ohhh ok gotcha!!