Question

44/x+y+30/x-y=10
52/x-y+40x-y=13

Answer 1

Esophageal varices sometimes formwhen blood flow to your liver is blocked, most often by scar tissue in the liver caused by liver disease. The blood flow begins to back up, increasing pressure within the large vein (portal vein) that carries blood to your liver. ... Sometimes the veins can rupture and bleed