x = 4
Well, darling, if you can't do basic math, I'm not sure how you made it this far in life. But I'll throw you a bone - 49 plus 49 equals 98. Now go forth and conquer the world with your newfound knowledge.
49 plus 10 equals 59.
49 plus 7 equals 56.
4849494949505050------394
-x2+14x=49
49 + 72 + 68 = 189
49+18= 67
49
49
49
49