Question 99861
Find two consecutive integers such that the sum of the smaller and three times the larger is 39.
EQUATION:
x + 3(x+1) = 39
4x+3 = 39
4x=36
x = 9
x+1 = 10
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and 
Find four consecutive integers whose sum is 72.
EQUATION:
x + (x+1) + (x+2) + (x+3) = 72
4x + 6 = 72
4x = 68
 x = 17
x+1 = 18
x+2 = 19
x+3 + 20
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Cheers,
Stan H.