Question

Question #5a063

Answer 1

`x=2`

Explanation:

`"given : " -20=-4x-6x`

`"you can write "color(red)(-4x-6x=-10x)`

`-20=-10x`

`"divide both side of equation by -10"`

`(cancel(-20))/(cancel(-10))=(cancel(-10)x)/(cancel(-10))`

`x=2`
`"note that "((-))/((-))=(+)`