Question

Уравнение решите пжжж​

Answer 1

1) x+283=720

x=720-283

x=427

2)563+x=945

x=945-563

x=382

3) x-123=451

x=451+123

x=574

4)725-x=378

x=725-378

x=347

5)x*15=45

x=45:15

x=3

6)23*x=92

x=92:23

x=4

7)x/12=33

x=33*12

x=396

8)512/x=4

x=512/4

x=128

Answer 2

563+х=945

х=945-563

х=382

563+382=945

945=945.