a) \(x\;– 1,27 = 13,5 : 4,5 \)
\(x \;– 1,27 = 3 \)
\(x= 3 + 1,27\)
\(x= 4,27 \)
b) \(x+ 18,7 = 50,5 : 2,5 \)
\(x + 18,7 = 20,2\)
\(x = 20,2\; – 18,7 \)
\(x= 1,5\)
c) \(x \times 12,5 = 6 \times 2,5\)
\(x \times 12,5 = 15\)
\(x = 15: 12,5\)
\(x = 1,2\)
