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umka21 [38]
3 years ago
6

2/5=2/10+k so at this equation what does k=?

Mathematics
2 answers:
7nadin3 [17]3 years ago
6 0
\frac{2}{5}= \frac{2}{10}+k ⇒ \frac{2}{5}= \frac{2\div2}{10\div2}+k

\frac{2}{5}= \frac{1}{5}+k ⇒ k= \frac{2}{5}- \frac{1}{5}

\boxed { k= \frac{1}{5}  }
baherus [9]3 years ago
4 0
K + 2/10 = 2/5

K = -2/10 + 2/5

K = -2/10 + 4/10

K = 2/10

K = 1/5
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