2 * 3^(x+1) - 4 * 3^(x-2) = 1500,5^(x-1) - 0,5^(x+1) = 4,83^x + 3^(3-x) = 12
1.
2.
x∈zbioru pustego
3.
Δ=144-108=36
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1.
2.
x∈zbioru pustego
3.
Δ=144-108=36