Question

1/Tìm x:

a/x:0,1+x.0,2=5,1 b/5:x-2,6:x=2,5

Answer 1

a) \(x:0,1+x:0,2=5,1\)

\(\Leftrightarrow x:\left(0,1+0,2\right)=5,1\)

\(\Leftrightarrow x:0,3=5,1\)

\(\Leftrightarrow x=5,1.0,3\)

\(\Leftrightarrow x=1,53\)

b) \(5:x-2,6:x=2,5\)

\(\Leftrightarrow\left(5-2,6\right):x=2,5\)

\(\Leftrightarrow2,4:x=2,5\)

\(\Leftrightarrow x=2,4:2,5\)

\(\Leftrightarrow x=0,96\)

Answer 2

\(a)\) \(x:0,1+x:0,2=5,1\)

\(x:\left(0,1+0,2\right)=5,1\)

\(x:0,3=5,1\)

\(x=5,1.0,3\)

\(x=1,53\)

\(b)5:x-2,6:x=2,5\)

\(x:\left(5-2,6\right)=2,5\)

\(x:2,4=2,5\)

\(x=2,5.2,4\)

\(x=6\)