Shaoxing yellow rice wine is one of the famous wines in China. The bottled wine workshop of a yellow wine factory first filled the bulk yellow wine into bottled yellow wine, and then packed the bottle

Shaoxing yellow rice wine is one of the famous wines in China. The bottled wine workshop of a yellow wine factory first filled the bulk yellow wine into bottled yellow wine, and then packed the bottled yellow wine out of the workshop. According to the figure 1, 1 hour, 650 bottles of yellow rice wine can be poured; According to Figure 2, 1 hour can package 750 bottles of yellow rice wine; According to Figure 3, there are 400 bottles of yellow rice wine at 8 o'clock, and 1 1 has 700 bottles of yellow rice wine, an increase of 300 bottles. There can be x filling production lines.

Then 3× [650x-750x (26-x)] = 700-400,

Solution: x = 14.