a) 407x = 3256x = 3256 / 407x ≈ 8
в) 7591 - y = 306y = 7591 - 306y = 7285
г) x - 1904 = 748x = 748 + 1904x = 2652
a) 407x = 3256
x = 3256 / 407
x ≈ 8
в) 7591 - y = 306
y = 7591 - 306
y = 7285
г) x - 1904 = 748
x = 748 + 1904
x = 2652