how do i write this as an equation?

Question

Twice the sum of a number `x` and `3` is `16`. Write an equation that matches this situation.

Answer 1

2(x+3) = 16

2x+6 = 16

2x = 16-6 = 10

2x = 10

x = 10/2 = 5

x = 5

2(5+3) = 16

2(8) = 16