Answer :

two consecutive even integers"
2x and 2x+2

"sum is 86"
2x + 2x+2 = 86
4x = 84
x = 21


2n+(2n+2)+(2n+4)+(2n+6)=156

Therefore:

2n+2n+2+2n+4+2n+6=156

8n+12=156

8n=156-12

8n=144

n=144/8

n=18

The four consecutive even numbers are:

36, 38, 40, 42

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