Question

I start with 9-2x widgets. Each day, I produce 2x+1 widgets, and destroy 3-x widgets. After three days, how many widgets am I left with?

Answer 1

after 3 days you produce
3(2x+1)=6x+3
she destroys 3(3-x)=9-3x
(9-2x)+(6x+3)-(9-3x)
9-2x+6x+3-9+9x
9+3-9-2x+6x+9x
3+13x
hope you have understood

Answer 2

it says it's incorrect

Answer 3

then it must be...lol. let me try again

Answer 4

ok thanks

Answer 5

i wen wrong somewhere i replaced 3 with 9
(9-2x)+(6x+3)-(9-3x)
9-2x+6x+3-9+3x
9+3-9-2x+6x+3x
3+7x

Answer 6

is that right?

Answer 7

oh thanks so much your so awesome !

Answer 8

it's so right

Answer 9

yaaaay! glad to help :)