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Welcome to Bytelearn!
Let’s check out your problem:
Solve for
n
n
n
.
\newline
4
n
−
2
2
n
=
7
n
=
\begin{array}{l} \frac{4 n-2}{2 n}=7 \\ n= \end{array}
2
n
4
n
−
2
=
7
n
=
View step-by-step help
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Math Problems
Grade 6
Multiply two decimals: where does the decimal point go?
Full solution
Q.
Solve for
n
n
n
.
\newline
4
n
−
2
2
n
=
7
n
=
\begin{array}{l} \frac{4 n-2}{2 n}=7 \\ n= \end{array}
2
n
4
n
−
2
=
7
n
=
Set up the equation:
Set up the equation from the given problem.
(
4
n
−
2
)
/
(
2
n
)
=
7
(4n - 2) / (2n) = 7
(
4
n
−
2
)
/
(
2
n
)
=
7
Multiply to eliminate the denominator:
Multiply both sides of the equation by
2
n
2n
2
n
to eliminate the denominator.
\newline
(
4
n
−
2
)
=
7
×
(
2
n
)
(4n - 2) = 7 \times (2n)
(
4
n
−
2
)
=
7
×
(
2
n
)
Distribute and simplify:
Distribute
7
7
7
into
2
n
2n
2
n
.
\newline
(
4
n
−
2
)
=
14
n
(4n - 2) = 14n
(
4
n
−
2
)
=
14
n
Move terms involving
n
n
n
:
Move all terms involving
n
n
n
to one side of the equation by subtracting
4
n
4n
4
n
from both sides.
\newline
(
4
n
−
4
n
)
−
2
=
14
n
−
4
n
(4n - 4n) - 2 = 14n - 4n
(
4
n
−
4
n
)
−
2
=
14
n
−
4
n
Simplify the equation:
Simplify both sides of the equation.
\newline
−
2
=
10
n
-2 = 10n
−
2
=
10
n
Divide to solve for
n
n
n
:
Divide both sides by
10
10
10
to solve for
n
n
n
.
n
=
−
2
10
n = \frac{-2}{10}
n
=
10
−
2
Simplify the fraction:
Simplify the
fraction
to find the value of
n
n
n
.
n
=
−
0.2
n = -0.2
n
=
−
0.2
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Question
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\newline
Choices:
\newline
(A)
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\newline
(B)
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\newline
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