sum of three consecutive multiple of 9 is 270. find those multiple.
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1st consecutive =9×x=9x
2nd consecutive =9(x+1)=9x+9
3rd consecutive =9 (x+2)=9x+18
sum=270
9x+9x+9+9x+18=270
27x+27=270
27x=270-27
27x=243
x=243/27
x=9
1st consecutive =9x=9×9=81
2nd consecutive =9x+9=9×9+9=90
3rd consecutive =9x+18=9×9+18=99
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sum of three consecutive multiple of 9 is 270. find those multiple..
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