2
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2x+3
2*(n+3)
As a calculation you could have 3 divided by 3 plus 3.
If the question contains a typing error and should read, "The reciprocal of a number plus the reciprocal of twice the number equals one half ?" Then let 'n' be the number.1/n + 1/2n = 1/2 : Multiply by 2n2 + 1 = n : n = 3NOTE : 1/3 + 1/6 = 1/2The answer is 3.
n+3 the sum of a number and three means a number plus three.