3x+5.3x-1=72
3x-1+5.3x-1=486
3x-1 + 5.3x-1=126
3x-1+5.3x-1=468
Tìm x: 2. 3^x + 5.3^x+1 = 153
\(3^{x-1}+5.3^{x-1}=162\)
a 5.3^2023=50.3^2023-5.9^x
b, 2.3^x+5.3^x+1=153
Tìm x biết :
a) 1/3x+ 2/5(x-1)=4
b)3^x-1+5.3^x-1=162
Tìm x
2x+2 - 2x = 96
5x + 5x+1 = 750
2x+3 + 2x = 144
5.3x + 3x-1 = 162
4x-3 + 5.4x-3 = 96
3x-1 + 5.3x-1 = 486