Question

How do you combine `( 2x - 3y)-(2x + 6y)`?

Answer 1

`=color(blue)(-9y`

Explanation:

`(2x-3y) - (2x+6y)`

`= 2x-3y - 2x -6y`

combining like terms:

`=color(blue)((2x-2x))+ (- 3y-6y)`
`=0 -9y`

`=color(blue)(-9y`