Solve the addition equation by finding a common multiple. one third plus two fourths plus four twelfths equals blank

fourteen twelfths
nine twelfths
twelve fourteenths
seven twelfths

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

Need on this one asap im almost done with this subject