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Find three consecutive integers whose sum is 21 and show the equation?
Wiki User
∙ 14y ago
Let x be the first integer; x+1 is the second integer and x+2 is the third integer. Add them together as stated in the problem; x+(x+1)+(x+2)=21. 3X+3=21. 3x=18 or x=6; x+1=7 & x+2=8; 6, 7, & 8.
Wiki User
∙ 14y ago
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