What is -2f + 4/5f ? - 4/5f is a fraction by the way.

The full equation is
8 - 4/5f = -14 -2f

-Please show work too :))

-I’m stuck on this problem

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"

Larry wants to buy some carpeting for his living room. the length of the room is 4 times the width and the total area of the room is 16 square meters. what is the length of the living room