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OpenStudy (anonymous):
log (x+3)=log(7-4x) how to solve that?
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OpenStudy (anonymous):
do you have an iphone
OpenStudy (anonymous):
There is a rule that if you have the same base then the values inside are equal. For example if log(a)=log(b) then it follows that a=b. From their you just solve for x.
OpenStudy (anonymous):
so it will be x+3=7-4x x+4x=7-3 5x=4 x=0.8
OpenStudy (anonymous):
Yeah :)
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