Question

-2(2z-7y)-z =?

Do I do distributive property first?

I think I did that and then combined like terms but i keep getting answer incorrect

Answer 1

what u got after distributing -2 ??

Answer 2

-4z+14y-z?

Answer 3

14y+5z?

Answer 4

thats correct
now its just
-4z-z =... ?
14y remains as it is....

Answer 5

-4z-z is not 5z
-4z-z = (-4-1)z =... ?

Answer 6

-4z? Ugh This part confuses me bc do I add or multiple? and if I multiple then it would be 4z

Answer 7

its just adding,
here its like
-ax-bx
u get (-a-b)x by factoring out x
similarly, -4z-z , by factoring out z, you get (-4-1)z
and whats -4-1 =... ?

Answer 8

14y-5z :)

Answer 9

\[\color{red}\checkmark\]

Answer 10

yes :)