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Why does 7 plus -7 equals 0?

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Anonymous

∙ 13y ago
Updated: 4/28/2022

Because that is how negative numbers are defined.

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Wiki User

∙ 13y ago
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What is the property of 7 plus 0 equals 7?

Zero is the identity under addition.


X squared minus 7X plus 12 equals 0?

x^2 - 7x = 0 x(x - 7) = 0 x = 0 or x - 7 = 0 x = 0 or x = 7


Y-5 equals 4x plus 2 in standard form?

4x-y+7=0


What is x squared plus 5x-14 equals 0?

That factors to (x - 2)(x + 7)


-2X 2 plus 17x-35 equals 0?

-2x^2 + 17x - 35 = 0 = (-2x + 7)(x - 5) x =7/2 or 5

Related Questions

What is 2x plus 8y plus 7 equals 0?

2x = -7 - 8y


What is the anwer to 4x plus 7 equals 9x plus 7?

4x+7=9x+7 -5x=0 x=0


What is 2 plus 1 plus 0 plus 1 plus 2 plus 1 plus 0 plus 0?

It equals 7


Do this one hundered times 0 plus 7-6 equals?

It equals 7/6.


What does plus 14 equals 7 plus 7 equal?

?+14=7+7 ?=0 7+7=14


What is the property of 7 plus 0 equals 7?

Zero is the identity under addition.


What is the property of 0 plus 7 equals 7?

0 is the additive identity for the set of numbers.


What is the discriminant of 2x2 plus 5x plus 4 equals 0?

-7


A negative number plus a positive number equals zero what?

minus 7 +7 =0 -7+7=0


What does 7 plus -7 equal?

0


Is 7 plus 0 equals 7 a zero property for addition?

That is correct!


Solve 7 plus p equals 7?

p is obviously zero because any number x plus 0 equals itself.

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