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exis [7]
4 years ago
10

When adding or subtracting two equations causes the coefficient to result 0 the variable is said to be

Mathematics
1 answer:
Elena L [17]4 years ago
6 0

Answer:

Elimination (also called add-subtract): This method involves adding the two equations together — or multiples of the two equations — so that in the sum, the coefficient of one of the variables becomes 0. That variable drops out (is eliminated), so you can solve for the other variable.

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Simplify 8 - {x - (5 + x)}. 3 13 -2x + 3 -2x + 13
love history [14]
<span>Simplify 8 - {x - (5 + x)}:

Order of operations rules require that you perform work inside parentheses first.  Thus, do this first:   </span>x - (5 + x)         =>  x - 5 - x   =>   -5.  

Now we have the following:           8 - {-5}    =>   8+5   = 13 (answer)

Please note:   To avoid confusion, please separate answer choices, such as <span>3 13 -2x + 3 -2x + 13, by using commas or by putting each choice on its own new line:

</span><span>3
13
-2x + 13
I was and still am unsure of what you meant here.</span>
5 0
3 years ago
A student used the equation below to create a table.
Leokris [45]

Answer:

(-2, 1)

Step-by-step explanation:

Putting in -2 as an input basically means plugging in -2 in the place of x

So it would result in this

y = -3(-2) - 5

Remember that multiplying a negative number by another negative number results in a positive number

y = 6 - 5

y = 1

So we have

x = -2

y = -1

Making the answer (-2, 1)

3 0
3 years ago
The formula P=a+b+c gives the perimeter P of a triangle with side lengths a,b, and c. How much greater is the is the perimeter o
Advocard [28]
(154-113)
41 yards bigger
5 0
3 years ago
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Francisco use 12/8 loaves of bread to make sandwiches what fraction equivalent to 12/8 has a denominator of 2
VLD [36.1K]

Answer:

2/2

Step-by-step explanation:

just had to simplify

8 0
3 years ago
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The weight of <br> 10,000<br> identical samples of a substance is <br> 1<br> pound.
Arte-miy333 [17]
One tenth of a pound or 1.6 oz.
3 0
3 years ago
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