%_$$\eqalign{ & {\text{If}} \Rightarrow {\log _{10}}5 + {\log _{10}}\l – McqOptions

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1.	%_$$\eqalign{ & {\text{If}} \Rightarrow {\log _{10}}5 + {\log _{10}}\left( {5x + 1} \right) = {\log _{10}}\left( {x + 5} \right) + 1, \cr & {\text{then}}\,x\,{\text{is}}\,{\text{equal}}\,{\text{to}}: \cr} $$_%
A.	1
B.	3
C.	5
D.	10
Answer» C. 5

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