तीन लगातार पूर्णाकों का योग 21 है तो तीनों पूर्णांक ज्ञात कीजिए।
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Answer:
6+7+8=21
(x)+(x+1)+(x+2)=21
x+x+1+x+2=21
3(x)+3=21
3x=21-3
3x=18
x=18/3
x=6
so, x=6
x+1=6+1
=7
x+2=6+2
=8
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