1)
а) (х+8)+54=156
x + 8 + 54 = 156
x = 156 – 54 – 8
x = 94
б) (х+12)-39=96
x + 12 – 39 = 96
x = 96 + 39 – 12
x = 123
в) (y-8)-348=127
y – 8 – 348 = 127
y = 127 + 348 + 8
y = 483
г) 349-(318-x)=127
349 – 318 + x = 127
x = 127 + 318 – 349
x = 96
2)
а) (х+8)-348=126
x + 8 – 348 = 126
x = 126 + 348 – 8
x = 466
б) (х-18)-253=246
x – 18 – 253 = 246
x = 246 + 253 + 18
x = 517
1)
а) (х+8)+54=156
x + 8 + 54 = 156
x = 156 – 54 – 8
x = 94
б) (х+12)-39=96
x + 12 – 39 = 96
x = 96 + 39 – 12
x = 123
в) (y-8)-348=127
y – 8 – 348 = 127
y = 127 + 348 + 8
y = 483
г) 349-(318-x)=127
349 – 318 + x = 127
x = 127 + 318 – 349
x = 96
2)
а) (х+8)-348=126
x + 8 – 348 = 126
x = 126 + 348 – 8
x = 466
б) (х-18)-253=246
x – 18 – 253 = 246
x = 246 + 253 + 18
x = 517