Question

реши уравнения 180-x=100
x-17=40
x+24=50

Answer 1

180-x=100
х=180-100
х=80
180-80=100
100=100

х-17=40
х=40+17
х=57
57-17=40
40=40

х+24=50
х=50-24
х=26
26+24=50
50=50