Question

How to solve k-1/2=3/4

Answer 1

$k - \frac{1}{2} = \frac{3}{4} \\ k = \frac{3}{4} + \frac{1}{2 } \\ k = \frac{3}{4} + \frac{2}{4} \\ k = \frac{5}{4}$

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Answer 2

$k - \frac{1}{2} = \frac{ 3}{4} \\ \\ \frac{2k - 1}{2} = \frac{3}{4}$

4(2k - 1)=6

8k-4=6

8k=6+4

8k=10

k= 10/8=5/4