тендеу шешу (x-16)×9 = 126 28 ×(x+5) = 224 (x+76):7 = 15​

(x-16)=126÷9

(x-16)=14

x=16+14

x=30

2)28×(x+5)=224

(x+5)=224÷28

(x+5)=8

x=8-5

x=3

3)(x+76)÷7=15

(x+76)=15×7

(x+76)=105

x=105-76

x=29