Question

Срочно!
2^(х+1) +2^х=3

Answer 1

2^(x+1) + 2^x = 3

2*2^x+2^x=3

3*2^x=3

2^x = 1

x=0

Answer 2

Ответ:

${2}^{(x + 1)} + {2}^{x} = 3 \\( 2 + 1) \times {2}^{x} = 3 \\ 3 \times {2}^{x} = 3 \\ {2}^{x} = 1 \\ {2}^{x} = 2 {}^{0} \\ x = 0$