Можешь помочь мне решить уравнения под номерами 1-12?

Конечно, давай решим эти уравнения! 1. $x + 2,6 = 3,4$ $x = 3,4 - 2,6$ $x = 0,8$ 2. $x - 4,2 = 6,9$ $x = 6,9 + 4,2$ $x = 11,1$ 3. $6x = 1,2$ $x = 1,2 / 6$ $x = 0,2$ 4. $0,3x = 15$ $x = 15 / 0,3$ $x = 50$ 5. $3x - 8 = 15$ $3x = 15 + 8$ $3x = 23$ $x = 23 / 3$ $x = 7 \frac{2}{3}$ 6. $\frac{1}{5}x + 4 = 2\frac{1}{3}$ $\frac{1}{5}x = 2\frac{1}{3} - 4$ $\frac{1}{5}x = \frac{7}{3} - \frac{12}{3}$ $\frac{1}{5}x = -\frac{5}{3}$ $x = -\frac{5}{3} * 5$ $x = -\frac{25}{3}$ $x = -8\frac{1}{3}$ 7. $2x + 3 = 5x - 27$ $3 + 27 = 5x - 2x$ $30 = 3x$ $x = 30 / 3$ $x = 10$ 8. $3x - 24 = 6x + 3$ $-24 - 3 = 6x - 3x$ $-27 = 3x$ $x = -27 / 3$ $x = -9$ 9. $5(x - 2) + 3x = 6$ $5x - 10 + 3x = 6$ $8x = 6 + 10$ $8x = 16$ $x = 16 / 8$ $x = 2$ 10. $3(x - 4) - 7x = 8$ $3x - 12 - 7x = 8$ $-4x = 8 + 12$ $-4x = 20$ $x = 20 / -4$ $x = -5$ 11. $6x - 2(4x - 1) = 7$ $6x - 8x + 2 = 7$ $-2x = 7 - 2$ $-2x = 5$ $x = 5 / -2$ $x = -2,5$ 12. $3(2x + 5) - 2(3x + 1) = 1$ $6x + 15 - 6x - 2 = 1$ $13 = 1$ Решений нет.