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let us assume number as x so difference of 6 and a number will be |x-6|
It depends what "x" is. ======== An algebraic expression representing the difference (subtraction) between 6 and some unknown number (represented by x).
x + y = 18, x - y = 6 y = 18 - x x - (18 - x) = 6 x - 18 + x = 6 2x - 18 = 6 2x = 24 x = 12 (12) + y = 18 y = 6
1 x 60 difference 59 2 x 30 difference 28 3 x 20 difference 17 4 x 15 difference 11 5 x 12 difference 7 6 x 10 difference 4 Are you sure the question is correct?
28-18=10 or 18-28= -10