Question

реши уравнения. x-7=9, x:7=9, 32-x=32,32•x=32, 62+x=62,62•x=0

Answer 1

х-7=9
х=9+7
х=16
______
16-7=9
9=9


х:7=9
х=9×7
х=63
______
63:7=9
9=9