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Let’s check out your problem:
Solve for
k
k
k
.
\newline
4
k
−
6
3
k
−
9
=
1
3
k
=
\begin{array}{l} \frac{4 k-6}{3 k-9}=\frac{1}{3} \\ k= \end{array}
3
k
−
9
4
k
−
6
=
3
1
k
=
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
k
k
k
.
\newline
4
k
−
6
3
k
−
9
=
1
3
k
=
\begin{array}{l} \frac{4 k-6}{3 k-9}=\frac{1}{3} \\ k= \end{array}
3
k
−
9
4
k
−
6
=
3
1
k
=
Equation setup:
Set up the equation based on the given problem.
\newline
(
4
k
−
6
)
/
(
3
k
−
9
)
=
1
/
3
(4k - 6) / (3k - 9) = 1 / 3
(
4
k
−
6
)
/
(
3
k
−
9
)
=
1/3
Cross-multiplication:
Cross-multiply to eliminate the
fractions
.
3
×
(
4
k
−
6
)
=
1
×
(
3
k
−
9
)
3 \times (4k - 6) = 1 \times (3k - 9)
3
×
(
4
k
−
6
)
=
1
×
(
3
k
−
9
)
Distributing numbers:
Distribute the numbers on both sides of the equation.
12
k
−
18
=
3
k
−
9
12k - 18 = 3k - 9
12
k
−
18
=
3
k
−
9
Rearranging terms:
Move all terms containing
k
k
k
to one side of the equation and constants to the other side.
12
k
−
3
k
=
−
9
+
18
12k - 3k = -9 + 18
12
k
−
3
k
=
−
9
+
18
Simplifying equation:
Simplify both sides of the equation.
9
k
=
9
9k = 9
9
k
=
9
Dividing by
9
9
9
:
Divide both sides by
9
9
9
to solve for
k
k
k
.
k
=
9
9
k = \frac{9}{9}
k
=
9
9
Simplifying fraction:
Simplify the
fraction
to find the value of
k
k
k
.
k
=
1
k = 1
k
=
1
More problems from Multiply two decimals: where does the decimal point go?
Question
Multiply.
0.5
×
5
=
?
0.5 \times 5 = ?
0.5
×
5
=
?
\newline
Choices:
\newline
(A)
0.025
0.025
0.025
\newline
(B)
0.25
0.25
0.25
\newline
(C)
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2.5
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Question
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\newline
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÷
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=
959 \div 0.4 =
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÷
0.4
=
_____
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Question
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×
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=
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×
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=
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.
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×
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=
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×
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Question
Divide.
\newline
1.36
÷
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=
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÷
1.7
=
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