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kipiarov [429]
3 years ago
15

13(6 –x) –4(3x+12)=0

Mathematics
1 answer:
gayaneshka [121]3 years ago
5 0

Answer:

Step-by-step explanation:

Multiply the first bracket by 13

Multiply the second bracket by -4

13(6-x)-4(3x+12)=0

78-13x-12x-48=0

30-25x=0

-25x+30-30=0-30

-25x=-30

Divide by -25 for -25x and-30

x=30/25 reducing: 6/5= 1 1/5

Answer can be 30/25 or 6/5 or 1 1/5

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olasank [31]
X^2/(x- 9 = 81/(x - 9)
This is the equation for which you want the solution.
Multiplying both sides of the equation by (x - 9) we get
x^2(x - 9)/(x - 9) = 81(x - 9)/(x - 9)
So the (x - 9) goes out from both the denominator and the numerator and then the simplified equation becomes
x^2 = 81
x ^2 = (9)^2
x = 9
So the value of the unknown variable x comes out to be 9.
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3 years ago
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If b=4 and c=2, what is 2b-3c?
Paraphin [41]
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2b-3c
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3 years ago
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Tems11 [23]

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b^{6}

Step-by-step explanation:

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3 years ago
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Ashley won 40 lollipops playing hoops at her schools game night later she gave two to each of her friends she only has 4 remaini
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4 0
3 years ago
Item 2 Simplify the linear expression. −53a+18−16a−12 Enter your answer as simplified fractions in the boxes.
iogann1982 [59]

Answer:

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Step-by-step explanation:

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