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Dmitrij [34]
3 years ago
10

How do you know the opposite of a nonzero​ integer?

Mathematics
1 answer:
igor_vitrenko [27]3 years ago
3 0

Finding out the opposite of a nonzero integer is easy (the number zero doesn't have an opposite, so that's why it's not included). It's simply a matter of adding or removing a negative sign.

The opposite of 4 is -4.

The opposite of -20 is 20.

The opposite of 256 is -256

And so on.

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Write a word sentence for the equation x-14=52
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Y=5x+21 and y=-7x-15
topjm [15]
This is a simultaneous system of two linear equations with two unknowns, as the number of unknowns equals the number of equations, we can solve it:
y = 5x + 21
y = -7x - 15
we can equate both equations, given the fact that both are equal to y:
y = y
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</span>and solving for x:
5x + 7x = -15 - 21
12x = -36
x = -36/12
x = -3
then we substitute this result in the original equation:
y = 5x + <span>21
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7 0
4 years ago
Simplify. 2x(-11x - 7)
Anettt [7]

Answer:

The answer is -22x² - 14x.

Step-by-step explanation:

You have to eliminate the brackets by multiplying :

2x( - 11x - 7)

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Write the relation as a set of ordered pairs​
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Answer:

A.

Step-by-step explanation:

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