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Nataly [62]
3 years ago
7

What is the solution to the equation 9x - 1 = 80. X = -9 X = 1 x = 81 x=9

Mathematics
2 answers:
xenn [34]3 years ago
5 0

Answer:

x = 9

Step-by-step explanation

9x - 1 = 80

add 1 to both sides and you get

9x = 81

divide each side by 9 and you get

x = 9

IgorLugansk [536]3 years ago
4 0
X= -9 because I looked it up
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What are the solutions to the system of equations? y=x2−7x+12y=−x+7
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Answer:

x = 1, y = 6

or

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Step-by-step explanation:

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Substitute for y in the first equation:

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3 0
2 years ago
The sum of 0.8 and 0.04 can be written as a fraction where the numerator and the denominator are both positive integers. When th
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Step-by-step explanation:

From the question, the sum of 0.8 and 0.04 is written as 0.8 + 0.04 = 0.84

Convert 0.84 to fraction = 84/100

The numerator and denominator in 84/100 are both positive integers.

The greatest common factor to the numerator and denominator is 4

Divide 84 by 4 = 21

Divide 100 by 4 = 25

Therefore, the resulting fraction is 21/25

Addition of 21 and 25 equals 46.

I hope this helps.

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