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3 years ago

Find 4 consecutive even numbers whose sum is 156?

1 answer:

3 0

X + (x + 2) + (x + 4) + (x + 6) = 156
   x + x + x + x + 2 + 4 + 6 = 156
       4x + 12 = 156
   - 12   - 12
   4x = 144
      4 4
   x = 36
   x = 36
x + 2 = 38
x + 4 = 40
x + 6 = 42

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