(273+х)-583=149
273 + x – 583 = 149
x = 149 + 583 – 273
x = 459
(238+у)- 127=293
238 + y – 127 = 293
y = 293 + 127 – 238
y = 182
44+( а+85)=105
44 + a + 85 = 105
a = 105 – 85 – 44
a = -24
(273+х)-583=149
273 + x – 583 = 149
x = 149 + 583 – 273
x = 459
(238+у)- 127=293
238 + y – 127 = 293
y = 293 + 127 – 238
y = 182
44+( а+85)=105
44 + a + 85 = 105
a = 105 – 85 – 44
a = -24