It’s -1/2y+ 3
You combine the like terms
You would have 3 liters. 3 liters is the same to 300 centiliters.
The slope is -4.7 because this equation is written in point slope form. This equation can be rewritten as y = -4.7x + 21. Point slope form is y = mx + b, with m being slope and b being y-intercept.
