Solve the equation: 5-x = 625.
Solution:-
log5 625 = -x
log5 5^4 = -x
4 log5 5 = -x (log5 5 =1)
4 = -x
x = -4
learn maths and leave the fear of it
Solve the equation: 5-x = 625.
Solution:-
log5 625 = -x
log5 5^4 = -x
4 log5 5 = -x (log5 5 =1)
4 = -x
x = -4