Question

Determinati valorile nr intreg x pentru care au loc egalitatile 2 la puterea x+3=64

Answer 1

${2}^{x + 3}=64 \\ {2}^{x} \times {2}^{3} = 64 \\ {2}^{x} \times 8 = 64 \\ {2}^{x} = 8 \\ {2}^{3} = 8 \\ = > x = 3$