1326. Решите уравнение:

а) $-27x + 220 = -5x$ $-27x + 5x = -220$ $-22x = -220$ $x = 10$ б) $7a = -310 + 3a$ $7a - 3a = -310$ $4a = -310$ $a = -77,5$ в) $-2x + 16 = 5x - 19$ $-2x - 5x = -19 - 16$ $-7x = -35$ $x = 5$ г) $25 - 3b = 9 - 5b$ $-3b + 5b = 9 - 25$ $2b = -16$ $b = -8$ д) $3 + 11y = 203 + y$ $11y - y = 203 - 3$ $10y = 200$ $y = 20$ е) $3(4x - 8) = 3x - 6$ $12x - 24 = 3x - 6$ $12x - 3x = -6 + 24$ $9x = 18$ $x = 2$ ж) $-4(-z + 7) = z + 17$ $4z - 28 = z + 17$ $4z - z = 17 + 28$ $3z = 45$ $z = 15$ з) $c - 32 = (c + 8)(-7)$ $c - 32 = -7c - 56$ $c + 7c = -56 + 32$ $8c = -24$ $c = -3$ и) $12 - 2(k + 3) = 26$ $12 - 2k - 6 = 26$ $-2k + 6 = 26$ $-2k = 20$ $k = -10$ к) $-5(3a + 1) - 11 = -16$ $-15a - 5 - 11 = -16$ $-15a - 16 = -16$ $-15a = 0$ $a = 0$ л) $-3,2n + 4,8 = -2(1,2n + 2,4)$ $-3,2n + 4,8 = -2,4n - 4,8$ $-3,2n + 2,4n = -4,8 - 4,8$ $-0,8n = -9,6$ $n = 12$ м) $-5(0,8z - 1,2) = -z + 7,2$ $-4z + 6 = -z + 7,2$ $-4z + z = 7,2 - 6$ $-3z = 1,2$ $z = -0,4$