if log105+log5x+1=log10(x+5)+1,then x is equal to
A) 1 B) 3 C) 5 D) 10
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Step-by-step explanation:
log105+log(5x+1)=log10(x+5)+1log105+log5x+1=log10x+5+1
log10[5(5x+1)]=log10[10(x+5)]log1055x+1=log1010x+5
5(5x+1)=10(x+5)55x+1=10x+5
5x+1=2x+10
3x=9
x=3
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