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payton 
nyanja
20200402 11:20:11

Let x be the age of the son and y be the age of the father. Then 2x+y=56 and x+2y=82. We solve simultaneously the two equations: {2x+y=56,x+2y=82}. From first equation y=562x. Putting this into equation 2 gives: x+2(562x)=82 or x+1124x=82 or 3x=30 or x=10. Then y=5620=36. Thus, the son is 10 years old and father is 36 years old. 