04-30-2019, 11:34 PM
I think you forgot about your signs
the positive 2x and negative 2x add to zero
negative 4y adds to positive 8y
giving you positive 4y
negative 24 and negative 12 give you negative 36
negative 36 divided by positive 4y gives you
negative 9
the positive 2x and negative 2x add to zero
negative 4y adds to positive 8y
giving you positive 4y
negative 24 and negative 12 give you negative 36
negative 36 divided by positive 4y gives you
negative 9