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682 + x = 809
x=


32 + x = 489
x=


794 + x = 863
x=


134 + x = 839
x=


439 + x = 898
x=


439 + x = 731
x=


427 + x = 584
x=


17 + x = 178
x=


110 + x = 628
x=


58 + x = 174
x=


980 - x = 154
x=


66 - x = 43
x=


207 - x = 15
x=


458 - x = 67
x=


976 - x = 558
x=


352 - x = 277
x=


415 - x = 349
x=


849 - x = 235
x=


760 - x = 523
x=


436 - x = 287
x=


x - 29 = 175
x=


x - 195 = 257
x=


x - 389 = 896
x=


x - 445 = 850
x=


x - 14 = 609
x=


x - 502 = 854
x=


x - 166 = 180
x=


x - 89 = 230
x=


x - 680 = 988
x=


x - 513 = 532
x=