Ответ:
1)а)х=-1
Объяснение:
[tex]a)2 ^{x} + 5 \times 2 {}^{x} \times 2 = 5.5 \\ 2 {}^{x} (1 + 10) = 5.5 \\ 2 {}^{x} = 5.5 \times 11 \\ 2 {}^{x} = 0.5 \\ 2 {}^{x} = 2 {}^{ - 1} \\ x = - 1[/tex]
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Ответ:
1)а)х=-1
Объяснение:
[tex]a)2 ^{x} + 5 \times 2 {}^{x} \times 2 = 5.5 \\ 2 {}^{x} (1 + 10) = 5.5 \\ 2 {}^{x} = 5.5 \times 11 \\ 2 {}^{x} = 0.5 \\ 2 {}^{x} = 2 {}^{ - 1} \\ x = - 1[/tex]