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Nadusha1986 [10]
3 years ago
10

1/4(x-1)+3x=2 solve for x.

Mathematics
2 answers:
IrinaK [193]3 years ago
7 0
\frac{1}{4}(x-1)+3x=2
\frac{1}{4}x-\frac{1}{4}+3x=2
\frac{1}{4}x+3x=2+\frac{1}{4}
\frac{13}{4}x=\frac{9}{4}   |:\frac{13}{4}
x=\frac{9}{4}*\frac{4}{13}
x=\frac{9}{13}


\frac{1}{4}(\frac{9}{13}-1)+3*\frac{9}{13}=2
\frac{1}{4}*(-\frac{4}{13})+\frac{27}{13}=2
-\frac{4}{52}+\frac{27}{13}=2
-\frac{1}{13}+\frac{27}{13}=2
\frac{26}{13}=2
2=2
L=R
lina2011 [118]3 years ago
5 0
The answer for x is 9/13. Hope it help!
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I think what you are asking for is an example.

Step-by-step explanation:

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-4y=20-8x

2. divide both sides by -4

\frac{-4y}{-4} = \frac{20-8x}{-4}

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3 years ago
24 inches is 250% of what length
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The answer is:  " 9.6 inches " .
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Explanation:
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4 0
3 years ago
Read 2 more answers
Which methods correctly solve for the variable n in the equation 11−n=−20? Select all that apply. First, add n to both sides. Th
Zina [86]

Answer:

First, subtract 11 from both sides. Then, multiply both sides by −1.

First, add n to both sides. Then, add 20 to both sides.

Step-by-step explanation:

Given equation:

11 - n = -20

Solve for variable n

11 - n = -20

Subtract 11 from both sides

11 - n - 11 = -20 - 11

- n = - 31

Multiply both sides by -1

- n(-1) = - 31(-1)

n = 31

First, subtract 11 from both sides. Then, multiply both sides by −1.

11 - n = -20

11 -n +n = -20 + n

11 = -20 + n

11 + 20 = -20 + n +20

31 = n

First, add n to both sides. Then, add 20 to both sides.

First, subtract n from both sides. Then, multiply both sides by −20.

First, add n to both sides. Then, subtract 11 from both sides.

11 - n = -20

11 - n +n = -20 + n

11 = -20 + n

11 - 11 = -20 + n -11

Not possible

First, subtract 11 from both sides. Then, multiply both sides by −1.

First, add n to both sides. Then, subtract 20 from both sides.

11 - n = -20

11 - n + n = -20 + n

11 = -20 + n

11 - 20 = -20 + n - 20

9 = n - 40

Not possible

5 0
3 years ago
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