The sum of 4 consecutive even numbers is 286 . find the number.
If the smallest is x, then
x + x+2 + x+4 + x+6 = 286
4x+12 = 286
4x = 274
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x + x+2 + x+4 + x+6 = 286
4x+12 = 286
4x = 274
Bzzzt!! but thanks for playing ...