Question

реши уровнения 5x+300=500

Answer 1

5х+300=500
5х=500-300
5х=200
х=200:5
х=40
проверка
5*40+300=500
200+300=500
500=500

Answer 2

спс

Answer 3

5х=500-300
5х=200
х=200/5
х=40