algebra
posted by chelsea .
1. logx+log(x+48)=2
14.log50+log(x/2)=2
23.log72log(2x/3)=0
Could someone please explain to me how to solve these?

algebra 
joe neval
1
32
58 
algebra 
chelsea
thanks, but how do i solve them?

algebra 
bobpursley
remember the rule of logs?
Log (ab)= loga + logb so, take 14 as an example:
log50 + log(x/2)=2
log(50x/2)=2
50x/2= antilog2
solve for x
On 23, the formula is
log(a/b)= loga  logb 
algebra 
chelsea
thanks!
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