в) 9x + 4x = -2613x = -26x = -26/13x = -2
г) 11x + 7x - 24x = 42-6x = 42x = 42 / -6x = -7
д) 3(x-1) = 2(x+2)3x - 3 = 2x + 43x - 2x = 4 + 3x = 7
е) 3(x-5) - 2(x+4) = -5x3x - 15 - 2x - 8 = -5xx - 23 = -5x6x = 23x = 23 / 6
в) 9x + 4x = -26
13x = -26
x = -26/13
x = -2
г) 11x + 7x - 24x = 42
-6x = 42
x = 42 / -6
x = -7
д) 3(x-1) = 2(x+2)
3x - 3 = 2x + 4
3x - 2x = 4 + 3
x = 7
е) 3(x-5) - 2(x+4) = -5x
3x - 15 - 2x - 8 = -5x
x - 23 = -5x
6x = 23
x = 23 / 6