(1/3)^5х-1+(1/3)^5х=49

[latex]( \frac{1}{3} ) ^{5x-1} +( \frac{1}{3} ) ^{5x} =49[/latex] [latex]( \frac{1}{3} ) ^{5x}:( \frac{1}{3} ) ^{1} +( \frac{1}{3} ) ^{5x} =49[/latex] [latex]( \frac{1}{3} ) ^{5x}*(3+1)=49 [/latex] [latex]( \frac{1}{3} ) ^{5x}*4=49[/latex] [latex]( \frac{1}{3} ) ^{5x} = \frac{49}{4} [/latex] [latex] log_{ \frac{1}{3} } ( \frac{1}{3} ) ^{5x} = log_{ \frac{1}{3} } \frac{49}{4} [/latex] [latex]5x* log_{ \frac{1}{3} } \frac{1}{3}= log_{ \frac{1}{3} } \frac{49}{4} [/latex] [latex]5x*1= log_{ \frac{1}{3} } \frac{49}{4} [/latex] [latex]x= (log_{ \frac{1}{3} } \frac{49}{4} ):5[/latex]