Question

resolva a equaão exponencial: 5 3x-5=625

Answer 1

${5}^{3x - 5 } = 625$
fatore o 625
625 | 5
125 | 5
25 | 5
5 | 5
1
${5}^{4}$
3x-5=4
3x=4+5
3x=9
x=9/3
x=3