Question

реши уравнения. х*7=43-22, 63:х=3*3, х-6=6*7

Answer 1

Х*7=43-22
Х*7=21
Х=21:7
Х=3

63:х=3*3
63:х=9
х=63:9
х=7

х-6=6*7
х-6=42
х=42+6
х=48