Question 217497
Given  x is  an  even  integer,,,7x-2  is  also  even,,,smallest  odd  integer  larger  is  7x-2 +1 = 7x-1
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3x+5  is  odd  integer,,,,,largest  odd number  less  is,,,,,3x+5 -2 = 3x+3
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(7x-1)-(3x+3) = 4x -4,,,,,ax+b
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a=4,,,,b=-4,,,,,,,a+b = 0
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