Question

Simplify the following expression.

2x - 2y + 5z - 2x - y + 3z

x - 3y + 8z

2x - 2y + 8z

3y + 8z

-3y + 8z

Answer 1

i got the answer :
1y + 8z

but it says im wrong.....where did i go wrong?

Answer 2

its easier if you bring like terms together

Answer 3

i did and the answer i got was 1y + 8z

Answer 4

2x - 2x -2y - y + 5z + 3z

Answer 5

yup that is exactly how i put them
^^^^^^^^

Answer 6

go 2x - 2x = 0 - u got that right
how about - 2y - y ?

Answer 7

i did 2y - y = 1y

Answer 8

no - -2y - y is not - 1y , 2y - y = 1y

Answer 9

wait r u saying 2y is negative?

Answer 10

-2y is negative

Answer 11

how come? what makes it negative?