3k+5/4k 3=4/9 9(3k+5)=4(4k 3) 27k+45= 16k 12. 27k 16k= 12 45. 11k= 57. k= 57/11= 5.182 ...

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Measuring Temperature - Thermometers

Solve 3k+54k...

Question

Solve
$\frac{3 k + 5}{4 k - 3} = \frac{4}{9}$

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Solution

$\frac{3 k + 5}{4 k - 3} = \frac{4}{9}$
$9 (3 k + 5) = 4 (4 k - 3)$
$27 k + 45 = 16 k - 12.$
$27 k - 16 k = - 12 - 45.$
$11 k = - 57.$
$k = \frac{- 57}{11} = - 5.182$

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