Question

the sum of three consecutive multiples of 7 is zero.

give only write answer​

Answer 1

Answer:

x+(x+7)+(x+14)=0

x+x+7+x+14=0

3x+21=0

3x=0-21

3x=-21

x=-21/3

x=-7

so the integers are.

-7,-14,-21

Step-by-step explanation:

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Answer 2

Answer:

Let the numbers be 7a , 7a + 7 and 7a +14

Let the numbers be 7a , 7a + 7 and 7a +14According to question,

Let the numbers be 7a , 7a + 7 and 7a +14According to question,7a + 7a +7 +7a + 14 = 0

Let the numbers be 7a , 7a + 7 and 7a +14According to question,7a + 7a +7 +7a + 14 = 0=> 21a + 21 = 0

Let the numbers be 7a , 7a + 7 and 7a +14According to question,7a + 7a +7 +7a + 14 = 0=> 21a + 21 = 0=> 21a = -21

Let the numbers be 7a , 7a + 7 and 7a +14According to question,7a + 7a +7 +7a + 14 = 0=> 21a + 21 = 0=> 21a = -21=> a = -1

Let the numbers be 7a , 7a + 7 and 7a +14According to question,7a + 7a +7 +7a + 14 = 0=> 21a + 21 = 0=> 21a = -21=> a = -1First number = 7(-1) = -7

Let the numbers be 7a , 7a + 7 and 7a +14According to question,7a + 7a +7 +7a + 14 = 0=> 21a + 21 = 0=> 21a = -21=> a = -1First number = 7(-1) = -7Second number = 7(-1) + 7

Let the numbers be 7a , 7a + 7 and 7a +14According to question,7a + 7a +7 +7a + 14 = 0=> 21a + 21 = 0=> 21a = -21=> a = -1First number = 7(-1) = -7Second number = 7(-1) + 7= -7 + 7

Let the numbers be 7a , 7a + 7 and 7a +14According to question,7a + 7a +7 +7a + 14 = 0=> 21a + 21 = 0=> 21a = -21=> a = -1First number = 7(-1) = -7Second number = 7(-1) + 7= -7 + 7= 0

Let the numbers be 7a , 7a + 7 and 7a +14According to question,7a + 7a +7 +7a + 14 = 0=> 21a + 21 = 0=> 21a = -21=> a = -1First number = 7(-1) = -7Second number = 7(-1) + 7= -7 + 7= 0Third number = 7(-1) +14

Let the numbers be 7a , 7a + 7 and 7a +14According to question,7a + 7a +7 +7a + 14 = 0=> 21a + 21 = 0=> 21a = -21=> a = -1First number = 7(-1) = -7Second number = 7(-1) + 7= -7 + 7= 0Third number = 7(-1) +14= -7 + 14

Let the numbers be 7a , 7a + 7 and 7a +14According to question,7a + 7a +7 +7a + 14 = 0=> 21a + 21 = 0=> 21a = -21=> a = -1First number = 7(-1) = -7Second number = 7(-1) + 7= -7 + 7= 0Third number = 7(-1) +14= -7 + 14= 7

Step-by-step explanation:

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