2x-3+2x-1+2x=52
me ajudem
Soluções para a tarefa
Respondido por
4
2x-3+2x-1+2^x=52
(2^x)/8+(2^x)/2+2^x=52
2^(x)*(1/8+1/2+1)=52
2^x*(1/8+4/8+8/8)=52
2^x*(13/8)=52
2^x=52*8/13=32
2^x=2^5
entao
x=5
(2^x)/8+(2^x)/2+2^x=52
2^(x)*(1/8+1/2+1)=52
2^x*(1/8+4/8+8/8)=52
2^x*(13/8)=52
2^x=52*8/13=32
2^x=2^5
entao
x=5
Perguntas interessantes