5+d>5−d
solve for d. First, isolate the d. Add d to both sides, and subtract 5 from both sides
5 (-5) + d (+d) > 5 (-5) - d (+d)
d + d > 5 - 5
2d > 0
Next, to isolate the d, divide 2 from both sides
2d/2 > 0/2
d > 0
d > 0, or (D) is your answer
hope this helps