Find the slope of the line graphed

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?

What is the value of x in the equation 2(x-4) = 4(2x + 1)?