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Ahat [919]
3 years ago
15

Please solve the problem: 1/2(6x-4)=4x-9

Mathematics
1 answer:
pentagon [3]3 years ago
8 0
\frac{1}{2}(6x-4)=4x-9\ \ \ | multiply\ by\ 2\\\\
6x-4=8x-18\ \ \ | add\ 4\\\\
6x=8x-14\ \ \ | subtract\ 8x\\\\
-2x=-14\ \ \ | divide\ by\ -2\\\\
x=7\\\\Solution\ is\ x=7.
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stellarik [79]

4.35 miles is the answer



4 0
3 years ago
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DIA [1.3K]

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Step-by-step explanation:

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weqwewe [10]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
Find the number if:
Paraphin [41]

Answer:

162 and \frac{5}{2}

Step-by-step explanation:

To find the original number multiply by the reciprocal of the multiplier, that is

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------------------------------------------------------------------------

Similarly

Change the mixed number into an improper fraction

5 \frac{5}{6} = \frac{35}{6} , then

\frac{35}{6} × \frac{3}{7} ( cancel 35 and 7 by 7 / cancel 6 and 3 by 3 )

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7 0
2 years ago
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Ryan runs 3 miles in 28 minutes. at the same rate, how many miles would he run in 42 minutes?
Sphinxa [80]
If 3mile=28 min
x mile=42 min
cross multiply
x=3/28
therefore if 3/28=1 min
then x mile= 42 min
cross multiply
42 x 3/28 =21 x 3/14
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                =9
The answer is 9 miles
5 0
3 years ago
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