Question

127+у=357-85 125+у-85=65 решить уравнение

Answer 1

127+у=357-85
127+у=272
у=272-127
у=145_________
127+145=357-85
272=272

125+у-85=65
125+у=65+85
125+у=150
у=150-125
у=25__________
125+25-85=65
65=65