Question

How do you simplify `x - 10 + y -2(x + y) + y`?

Answer 1

`-1x-10+4y`

Explanation:

`x-10+y-2(x+y)+y`
`x-10+y-2x+2y+y` Here, you solve the parentheses.
`-1x-10+4y` Then, you combine like terms.