Question

Which expression is equivalent to 2x - 10y + 9y - 11x ?​

Answer 1

-9x - y

In-depth explanation:

We're asked to simplify the expression 2x - 10y + 9y - 11x.

To simplify, combine the like terms:

2x - 11x - 10y + 9y

-9x - y

∴ -9x - y

Answer 2

-9x - y

Explanation:

Combine like terms. That is, combine all the x terms and then, separately, combine all the y terms.

2x - 10y + 9y - 11x = -9x - y (answer)