Question

determine X: 2log2(X+1)=3

Answer 1

2LOG10(2(X+1))=3
2LOG10(2(X+1))=3,X>1
LOG10(2(X+1))=3/2
2(X+1)=10^3/2
X=10^3/2 -1
         2(0 dois divide 10^3/2)