•First substitute x with 0 0= 1/4 x+1 •Then multiple both sides by 4 0= x+4 • move the variable to the left hand side and change sign -x=4 • Finally change the signs on both sides of the equation
Each dvd cost $7.50 how? Your friends buy 8 dvd's and in total is 60, you want to divide 60 from 8 and find that it's 7.50 and then multiply 8 to 7.50 and it should be 60. Hope this helps!!