SOLUTION: 3^x -4=2

Question 200918: 3^x -4=2
Answer by RAY100(1637) (Show Source): You can put this solution on YOUR website!
3^x -4 =2
.
3^x = 6
.
take log both sides
.
log(3^x) =log 6
.
or ,,,,,,x log 3 = log 6
.
x= log 6 / log 3
.
x= 1.631
.
check,,,,,,3^(1.631) =6,,,,,ok
.
.
if problem was ,,,,,3^(x-4) = 2
.
(x-4) log 3 = log 2
.
x-4 = log2/log3 = .631
.
x= 4.631
.
check
3^(4.631-4) =2,,,,, ok
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