3^x-1+5.3^x-1=162
3^x-1.(1+5)=162
3^x-1.6=162
3^x-1=162:6
3^x-1=27
3^x-1=3^3
x-1=3
x=3+1
x=4
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3^x-1+5.3^x-1=162
3^x-1.(1+5)=162
3^x-1.6=162
3^x-1=162:6
3^x-1=27
3^x-1=3^3
x-1=3
x=3+1
x=4
3x-1+5.3x-1=162
3x-1+5.3x-1=162
3x-1+5.3x-1=162
giúp mình\(3^{-1}.3^x+5.3^{x-1}=162\)
Tìm x
3^x-1 + 5.3^x-1 = 162
5^x + 5^x+2 = 650
\(a,\)\(3^x^{-1}+5.3^{x-1}=162\)
\(b,\)\(x-2+3x=10\)
câu b là 2 trường hợp nhé
tìm x
a , \(^{3^{x-1}+5.3^{x-1}=162}\)
b , (x-1) . ( x - 3 )
tìm x thoả mãn
3x-1+5.3x-1=162
Tìm x
3 mũ -1 . 3 mũ x =5.3 mũ x-1 = 162
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