
Andy C. answered 09/24/17
Tutor
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Math/Physics Tutor
The sum of the first 20 integers is 420.
So x+(x+2)+(x+4)+(x+6)=420.
4X+12=420
4X=408
X=102
102+104+106+108 =420
Anna N.
asked 09/24/17Andy C. answered 09/24/17
Math/Physics Tutor
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