Question 674831
3*5^(2-x)=4
;
divide both sides by 3
5^(2-x) = 4/3
:
using logs
log(5^(2-x)) = log(4/3)
:
log equiv of exponents
(2-x)*log(5) = log(4/3)
.69897(2-x) = .1249
2 - x = {{{.1249/.69897}}}
2 - x = .1787
2 - .1787 = x
1.82 = x