Question

I start with -2x widgets. Each day, I produce 2x+1 widgets, and destroy 3-x widgets. After three days, how many widgets am I left with, in terms of x?

Answer 1

$- 2x + 2x + 1 = 1 \\ 1 + 2x + 1 = 2x + 2 \\ 2x + 2 - (3 -x) = 3x - 1$
solution is this means comment it