5(x+1)=5(x+5)-15 5(x)+5(1)=5(x)+5(5)-15 5x+5=5x+25-15 5x+5=5x+10 -5x -5x 5=10 -5 -5 0=5 There is no solution to this equation because the left side does not equal the right side. The answer is "no solution" or "∅" which is the symbol for no solution in math