а) x = -231 - 378x = -609
б) x * (-16) = -373 + 53-16x = -320x = 20
в) x - 143 = -219x = -76
г) -840 / x = -619 + 199-840 = -619x + 199x-840 = -420xx = 2
а) x = -231 - 378
x = -609
б) x * (-16) = -373 + 53
-16x = -320
x = 20
в) x - 143 = -219
x = -76
г) -840 / x = -619 + 199
-840 = -619x + 199x
-840 = -420x
x = 2