Question

3 elevado a x + 1=9 exponencial

Answer 1

3*x+1=9
3
x+1=9
x=9-1
x=8
3*8=3x3x3x3x3x3x3x3= 6561
boa sorte.*(quer dizer elevado)

Answer 2

    x + 1
3            =   9

   x + 1            2
3            =   3

x + 1 = 2
x = 2 - 1
x = 1