Question

Simplify the following expression.
7x - 4y + 5z - 2x - 10y + z

A) 5x - 14y + 6z

B) 9x - 14y + 6z

C) 5x - 6y + 6z

D) 9x - 6y + 6z

Answer 1

@MATTW20

Answer 2

just combine like terms. meaning combine all the ones that have the same letter

Answer 3

do you add to combine?

Answer 4

yes but make sure you take the sign of each into account for example in this problem it's -4y+(-10y)

Answer 5

soooooooo 14?

Answer 6

well for that part it would be -14y can't forget about the sign or the y. but what about the rest

Answer 7

So B?

Answer 8

and how did you arrive at that answer?

Answer 9

I added the like terms together

Answer 10

but 7+(-2) doesn't equal 9 does it?

Answer 11

no it is 5

Answer 12

and therefore b doesn't make sense does it. So what would the correct answer be

Answer 13

A?

Answer 14

Well say it like you mean it don't question mark it :) A!!!! correct btw