Posted by chelsea on Monday, February 4, 2008 at 8:03pm.
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, Monday, February 4, 2008 at 8:10pm
1
32
58

algebra  chelsea, Monday, February 4, 2008 at 8:12pm
thanks, but how do i solve them?

algebra  bobpursley, Monday, February 4, 2008 at 8:18pm
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, Monday, February 4, 2008 at 8:20pm
thanks!
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