Question

х+365=789 789-х=265 х-524=265

Answer 1

1)x+365=789
x=789-365
x=424

2)789-x=265
-x+789=265
-x=265-789
-x=524
x=524

3)x-524=265
x=265+524
x=789

Answer 2

1)x+365=789
x=789-365
x=424

2)789-x=265
x=789-265
x=524

3)x-524=265
x=265+524
x=789