Respuesta :

0926laylay0926

Answer:

-13/30

Step-by-step explanation:

I used KCC. It is a method when you keep you 1st # the same, change subtraction to addition and then change the last # to its opposite. So after KCC, the equation would be -7/10 + 4/15
i’ll try figuring out this for u but can u look at mine ??