How do i find the slope to 6x=-3y+7 ?

Subtract 8 1/6 - 4 5/6 . simplify the answer and write as a mixed number.

Leo has b boxes of pencils. each box contains 6 pencils. he has a total of 42 pencils. the equation that represents this situation the value of b that makes the equation true the first one is b+6=42,6b=42,b=42+6,or 42b=6 the second one are 7,836 48

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?