Question

I’m losing my mind with this mathh please help me

Answer 1

О D.
`(5)/(9)v - (5)/(9)`

Explanation:

`(2)/(9)v - (-(1)/(3)v + (5)/(9))\\ The rule is:\\ - * - = +\\ - * + = -\\Then:\\(1)/(3) = (3)/(9)\\\\\\`

`= (2)/(9)v - (-(3)/(9)v + (5)/(9))\\\\ = (2)/(9)v + (3)/(9)v - (5)/(9)\\\\ = (5)/(9)v - (5)/(9)`