Question 30655
X/3+1/2=4 OR ADDING THE TWO FRACTION WITH A COMMON DENOMINATOR OF 6 WE GET 

(2X+3)/6=4  CROSS MULTIPLYING WE GET 2X+3=24 OR 2X=21 OR X=10.5

PROOF 10.5/3+1/2=4 OR 3.5+.5=4.