a) \(x:10-0,6=45\)
\(=>x:10=45+0,6\)
\(=>x:10=45,6\)
\(=>x=45,6\times10\)
\(=>x=456\)
b) \(\left(x+3,5\right):7,7=30,6\)
\(=>x+3,5=30,6\times7,7\)
\(=>x+3,5=235,62\)
\(=>x=235,62-3,5\)
\(=>x=232,12\)
a) x:10−0,6=45�:10−0,6=45
=>x:10=45+0,6=>�:10=45+0,6
=>x:10=45,6=>�:10=45,6
=>x=45,6×10=>�=45,6×10
=>x=456=>�=456
b) (x+3,5):7,7=30,6(�+3,5):7,7=30,6
=>x+3,5=30,6×7,7=>�+3,5=30,6×7,7
=>x+3,5=235,62=>�+3,5=235,62
=>x=235,62−3,5=>�=235,62−3,5
=>x=232,12