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fomenos
3 years ago
5

Equations with variables on both sides 8 - 5x = 4x - 1 with explanation please

Mathematics
1 answer:
Nuetrik [128]3 years ago
6 0

Answer:

8-5x=4x-1

Step-by-step explanation:

8+1=4x+5x

9=9x

divid both sides by 9

the correct answer is

x=1

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What is the value of x?? please help
DaniilM [7]

Answer:

x=64

Step-by-step explanation:

Both the semicircle that says 180, and the right angle sign in the image serve to support the idea that all parts of the figure equal 90

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90-26 = 64

8 0
3 years ago
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There are 2112 people in a concert.
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Answer:

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3 years ago
when you reverse the digits in a certain two-diget number you increase it value by 27. What is the number if the sum of its digi
Fynjy0 [20]
The number is = 10x+y
if reverse the digits, the number is: 10y+x
The sum fo its digits is =  x+y=5
I suggest this system of equations:
(10y+x)-(10x+y)=27    ⇒9y-9x=27
x+y=5
We can solve this system of equations by equaliztion method
x=5-y

9y-9(5-y)=27
9y-45+9y=27
18y=27+45
18y=72
y=72/18
y=4

x=5-y
x=5-4=1

The number is: 10x+y=10(1)+4=14

Answer: the number is 14
3 0
3 years ago
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