3x+2 + 4.3x+1 = 7.36
3x+1.(3 + 4) = 7.36
3x+1.7 = 7.36
=> 3x+1 = 36
=> x + 1 = 6
=> x = 5
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3x+2 + 4.3x+1 = 7.36
3x+1.(3 + 4) = 7.36
3x+1.7 = 7.36
=> 3x+1 = 36
=> x + 1 = 6
=> x = 5
3x+2+4.3x+1=7.36
Bài 6: 1) 3^x+2+4.3^x+1=7.3^6 2)5^x+4-3.5^x+3=2.5^11 3)4^x+3-3.4^x+1=13.4^11
Tìm x: \(3^{x+2}+4.3^{x+1}+3^{x-1}=6^6\)
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tìm x
\(3^{x+2}+4.3^{x+1}+3^{x-1}=6^6\)
1, 2. 3x+2+4.3x+1=10 . 36
2, 4.3x-2+2.3x+1=4.36+2 .30
Tìm x
a.(2x - 3)^2 =16
b.2.3^ x +2 + 4.3^ x+1 = 10.3^6
Tìm x,biếtx € Z :
3^-1.3^x+6.3^x-1=7.3^6
Tìm x biết
1)\(3^{x+2}+4\cdot3^{x+1}=7.3^6\)
2)\(5.3^{x+6}=2.3^5+3.3^5\)