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Nataly [62]
4 years ago
10

Solve 3/10 n-3 1/5 = -1 1/5

Mathematics
1 answer:
steposvetlana [31]4 years ago
5 0
3/10 n-3 1/5=-1 1/5
convert mixed numbers to a improper fractions:3 1/5=16/5
\frac{3}{10}n- \frac{16}{5}=-1* \frac{1}{5}
convert mixed numbers to a improper fractions:1 1/5=6/5
\frac{3}{10}n- \frac{16}{5}=- \frac{6}{5}
add 16/5 to both sides
\frac{3}{10}- \frac{16}{5}+ \frac{16}{5}=- \frac{6}{5}+ \frac{16}{5}
simplify 
3/10 n=2
multiply both sides by 10
10* \frac{3}{10}n=2*10
simplify 
3n=20
divide both sides by 3
\frac{3n}{5}= \frac{20}{3}
simplify 
n= \frac{20}{3}
Hope this helps

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