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x=5/2
ya que 4 elvado a la 5/2 es igual a 32
c)
3^{2} = x +2
9=x + 2
x=9-2
x=7
Por propiedad:
5⁰=x+1
1=x+1
1-1=x
0=x
b) log₄(x+2)=2
Por propiedad:
4²=x+2
16=x+2
16-2=x
14=x