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OverLord2011 [107]
3 years ago
12

When you subtract a number, you get the same results as when you add the opposite number. Why?

Mathematics
1 answer:
lapo4ka [179]3 years ago
4 0

Answer:

Step-by-step explanation:

Well, the opposite of a number is the same number with the opposite sign. For example, the opposite of -1 is 1.

So, say we have an equation where we're subtracting a number, for example, 2-1, which obviously equals 1. Now, if we add the opposite of 1 to 2, we get the equation 2+(-1) which still equals 1.

I hope this helps!

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5/14 x 7/30 in its simplest form
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Answer:

Step-by-step explanation:

1/12

7 0
3 years ago
(05.02 MC)
Elanso [62]

His work should have looked like this.

2x + y = 5
x − 2y = 10

y = 5 − 2x
x − 2(5 − 2x) = 10
x − 10 + 4x = 10
5x − 10 = 10                  When he added in both sides, he subtracted 10 from 10,
5x = 20                      instead of adding 10 from 10 to make 20.
x = 4
2(4) + y = 5
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y = -3

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3 years ago
A line contains points M(1, 3) and N(5, 0). What is the slope of MN?
rosijanka [135]

Answer:

the answer is -\frac{3}{4}

Step-by-step explanation:

to get the answer, just do \frac{y^2-y^1}{x^2-x^1}

plug in the values

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That's how you get that.

8 0
2 years ago
How to write 53/198 as a decimal
Phantasy [73]

Answer:

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0.2676 or 0.268

Step-by-step explanation:

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3 0
3 years ago
Clarence solved the equation 3x + 15 = 33 and showed the following work. 3x + 15 = 33 3x + 15 - 15 = 33 3x = 33 = x = 11 Which o
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3x + 15 = 33
3x = 33 - 15
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7 0
3 years ago
Read 2 more answers
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