the sum of three consecutive multiples of 7 is - 231. Find three multiples
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Answered by
2
Answer:
Step-by-step explanation:
Let 1 multiple = y
Let 2 multiple= 7y
Let 3 multiple = 14y
A.T.Q
Y X 7y X 14y = -231
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Answered by
24
Answer
Let the three consecutive multiples of 7 be 7x, 7x+7 and
7x+14.
Here, it is given that
7x+7x+7+7x+14= -231
Now,
7x+7x+7x+14+7= -231
21x+21= -231
21x= -231-21
21x= -252
x= -252÷21
x= -12
Therefore the three multiples are:
=>7x= 7×(-12)= -84
=>7x+7= 7(-12)+7= -77
=> 7x+14= 7(-12)+14= -70
Answer: -84, -77 and -70
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