How can I display this information in a graph?

Question

within the context of a game, where x = damage, Spell = 0.7(x) + 60. I'm struggling to create a graph which would display the damage ratios. The x axis would be the damage, and the y axis would be the proportion of damage compared to the damage. So for example, when x = 50, y = (0.7x + 60)/x = 95/50 = 1.9. The Spell deals 90% more damage when the damage is 50. However when i put y=(0.7x + 60)/x into a graph maker, I don't get this result. Thanks!