Решите уравнения: 1) 10 - 5(2x - 1) = 7; 2) 5 + 2x = 3(2x - 5) - 8; 3) 5(x - 3,6) = 9x; 4) 5(x - 2,4) = 13x; 5) 16 + 6x = 5(1 - 2x) - 13; 6) 2(7x + 11) - 5x = 5x; 7) 2x - 3(x - 3) = 12; 8) 18 - 5(9 - x) = 8; 9) -x = 4 - 3(3x - 8); 10) 2x - 3(x + 3) = -5

1) $10 - 5(2x - 1) = 7$ $10 - 10x + 5 = 7$ $-10x + 15 = 7$ $-10x = 7 - 15$ $-10x = -8$ $x = 0,8$ **Ответ: 0,8** 2) $5 + 2x = 3(2x - 5) - 8$ $5 + 2x = 6x - 15 - 8$ $5 + 2x = 6x - 23$ $2x - 6x = -23 - 5$ $-4x = -28$ $x = 7$ **Ответ: 7** 3) $5(x - 3,6) = 9x$ $5x - 18 = 9x$ $5x - 9x = 18$ $-4x = 18$ $x = -4,5$ **Ответ: -4,5** 4) $5(x - 2,4) = 13x$ $5x - 12 = 13x$ $5x - 13x = 12$ $-8x = 12$ $x = -1,5$ **Ответ: -1,5** 5) $16 + 6x = 5(1 - 2x) - 13$ $16 + 6x = 5 - 10x - 13$ $16 + 6x = -8 - 10x$ $6x + 10x = -8 - 16$ $16x = -24$ $x = -1,5$ **Ответ: -1,5** 6) $2(7x + 11) - 5x = 5x$ $14x + 22 - 5x = 5x$ $9x + 22 = 5x$ $9x - 5x = -22$ $4x = -22$ $x = -5,5$ **Ответ: -5,5** 7) $2x - 3(x - 3) = 12$ $2x - 3x + 9 = 12$ $-x = 12 - 9$ $-x = 3$ $x = -3$ **Ответ: -3** 8) $18 - 5(9 - x) = 8$ $18 - 45 + 5x = 8$ $-27 + 5x = 8$ $5x = 8 + 27$ $5x = 35$ $x = 7$ **Ответ: 7** 9) $-x = 4 - 3(3x - 8)$ $-x = 4 - 9x + 24$ $-x = 28 - 9x$ $-x + 9x = 28$ $8x = 28$ $x = 3,5$ **Ответ: 3,5** 10) $2x - 3(x + 3) = -5$ $2x - 3x - 9 = -5$ $-x = -5 + 9$ $-x = 4$ $x = -4$ **Ответ: -4**