Question

Answer 1

2.x-8=16

2x=16+8

2x=24

x=12

Answer 2

\(2x-2^3=16\)

\(2\left(x-2^2\right)=16\)

\(x-4=8\)

\(x=4\)

Answer 3

2.x-8=16

2x=16+8

2x=24 x=12

vậy x = 12