а) z = 289 + 45 + 6z = 399
б) y = 65 + 69 - 4y = 92
в) x + 156 + 24 = 22x = 221 - 156 - 2x = 41
г) 85 + x - 76 = 25x = 254 - 85 + 7x = 245
д) x - 76 + 45 = 18x = 181 - 45 + 7x = 212
е) 133 - (x + 48) = 34
а) z = 289 + 45 + 6
z = 399
б) y = 65 + 69 - 4
y = 92
в) x + 156 + 24 = 22
x = 221 - 156 - 2
x = 41
г) 85 + x - 76 = 25
x = 254 - 85 + 7
x = 245
д) x - 76 + 45 = 18
x = 181 - 45 + 7
x = 212
е) 133 - (x + 48) = 34
(x + 48) = 34 - 133(x + 48) = -9x + 48 = 9
x = 99 - 4
x = 51