What would you do isolate the variable in the equation below, using only one step? x-3=7 select the correct answer below. a. add 7 to both sides b. subtract 3 from both sides of the equation c. add 3 to the left, 7 to the right. d. add 3 to both sides

Acompany manufactures large valves, packed in boxes. a shipment consists of 1500 valves packed in 75 boxes. each box has the outer dimensions 1.2 x 0.8 x 1.6 m and the inner dimensions 1.19 x 0.79 x 1.59 m. the boxes are loaded on a vehicle (truck + trailer). the available capacity in the vehicle combination is 140 m3. each valve has a volume of 0.06 m3. - calculate the load factor on the box level (%). - calculate the load factor on the vehicle level (%). - calculate the overall load factor (%).