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rjkz [21]
3 years ago
8

9x – 1= 10x + 9 What is x equal to

Mathematics
1 answer:
ivolga24 [154]3 years ago
4 0

Answer:

-10=x

Step-by-step explanation:

9x-1=10x+9

9x-10×=9+1

-x=10

x=-10

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Step-by-step explanation:

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What is the difference between 3/7 and 1/14?
IrinaK [193]
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or

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8 0
4 years ago
3A. Compute the simplified numerical value of the expression: (4042 + 4040 + 4038 + … + 6 + 4 + 2) −(4041 + 4039 + 4037 + … + 5
Sunny_sXe [5.5K]

Answer:

<em>The value of the expression is 2021</em>

Step-by-step explanation:

<u>Compute the numerical value of the expression</u>

(4042 + 4040 + 4038 + … + 6 + 4 + 2) - (4041 + 4039 + 4037 + … + 5 + 3 + 1).

Rearranging the positive and negative terms:

(4042-4041)+(4040-4039)+(4038-4037)+...(2-1)

All the partial subtractions are 1:

1 + 1 + 1 + .... + 1

This sequence is repeated 4042/2=2021 times, thus the value of the expression is 2021

8 0
3 years ago
What is the value of the expression 52 + 22?
Vaselesa [24]

Answer:

55 + 22 = n

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n = 77

Hope this helps! :D

Step-by-step explanation:

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3 years ago
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