Question

решите уравнение у+2/5=1/2

Answer 1

у+2/5=1/2
у=1/2-2/5
у=5/10-4/10
у=1/10

Answer 2

у+2/5=1/2
у=1/2-2/5
у=5/10-4/10
у=1/10(или 0,1)