Question

800:(28x+4)-15=25 решите уравнение

Answer 1

28х=800÷(-15+25)
28х=10
х=28×10
х=280

Answer 2

800: (28х+4)=25+15
800: (28х+4)=40
28х+4=800:40
28х+4=20
28х=20-4
28х=16
х=16:28
х=0,5715