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3 years ago

Hey guys ♡

Mathematics

2 answers:

diamong [38]3 years ago

8 0

Answer:

yo Sara hru?

I don't know Answer

sorry

Marat540 [252]3 years ago

4 0

Answer:

m = - 31

Step-by-step explanation:

Given

$\frac{m-1}{2}$ - $\frac{m-2}{3}$ = $\frac{m-4}{7}$

Multiply through by 42 , the LCM of 2, 3 and 7 , to clear the fractions

21(m - 1) - 14(m - 2) = 6(m - 4) ← distribute parenthesis

21m - 21 - 14m + 28 = 6m - 24

7m + 7 = 6m - 24 ( subtract 6m from both sides )

m + 7 = - 24 ( subtract 7 from both sides )

m = - 31

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Mice21 [21]

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Here, we want to know the temperature after 9 hours

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