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Llana [10]
2 years ago
6

(20m + 3) - (7 m - 5) Find the difference

Mathematics
2 answers:
DedPeter [7]2 years ago
8 0
20m-7m= 13m
3--5=8
13m+8
jeyben [28]2 years ago
5 0

Answer:

This can be done in two ways -

- horizontal

- vertical

so I chose Vertical :

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108 - 271 + 215-_____= -103
kupik [55]
108-271+215-_____=-103
Im going to combine the first thee numbers and replace the blank with a variable, lets use x. 
52 - x=-103
now I am going to subtract 52 on both sides to get the variable alone
-x=-155
Im going to multiply both sides to eliminate the negitive in the variable
x=155
If you want to check just plug 155 into the blank
108-271+215-155=-103
-163+215-155=-103
52-155=-103
-103=-103

so after checking work the blank is equal to 155.


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4 years ago
Which undefined geometric term is described as a two-dimensional set of points that has no beginning or end?
IgorC [24]
Plane, it contains tons of 2d points with no set beginning or end
7 0
3 years ago
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Brrunno [24]
The answer is x=9 because (look at the picture)

7 0
3 years ago
What makes this equation true?<br><br> -2n + 1.8 = 3.2<br><br> Im so confused
fenix001 [56]

Answer:

18 = 3.2

Step-by-step explanation:

5 0
3 years ago
Can someone answer this question please?
Keith_Richards [23]

Answer:b=2.5555555555...

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6 0
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