SOLUTION: Find three consecutive even integers such that the sum of the first and third exceeds one half the second by 15

Algebra.Com
Question 128459:
Find three consecutive even integers such that the sum of the first and third exceeds one half the second by 15

Answer by checkley71(8403)   (Show Source): You can put this solution on YOUR website!
LET X, X+2 & X+4 BE THE THREE CONSECUTIVE EVEN INTEGERS.
X+(X+4)=(X+2)/2+15
2X+4=(X+2+30)/2
2X+4=(X+32)/2 NOW CROSS MULTIPLY
2(2X+4)=X+32
4X+8=X+32
4X-X=32-8
3X=24
X=24/3
X=8 ANSWER FOR THE FIRST INTEGER.
8=2=10 THE SECOND INTEGER.
8=4=12 THE THIRD INTEGER.
PROOF:
8+12=10/2+15
20=5+15
20=20

RELATED QUESTIONS

Find three consecutive even integers such that the sum of the first and third exceeds... (answered by stanbon)
find three consecutive odd integers such that twice the sum of the first and third... (answered by scott8148,ewatrrr)
find 4 consecutive even integers such that the sum of the third and fourth exceeds... (answered by ewatrrr)
Find three even consecutive integers such that the sum of the first two exceeds the third (answered by josgarithmetic,MathTherapy)
Find four consecutive even integers such that twice the sum of the second and third... (answered by MathLover1)
Find four consecutive even integers such that twice the sum of the second and third... (answered by stanbon)
Find four consecutive even integers such that twice the sum of the second and third... (answered by macston)
Find three consecutive integers such that the sum of the second and the third is half the (answered by alittletooconfused)
find three consecutive integers such that the sum of the squares of the second and the... (answered by SAT Math Tutor,Earlsdon,eperette,josmiceli)