Найдите корень уравнения -4y-28=-44    0.5b-0.2=-5.7.    -0.6x-2.3=4.3     -7x-28=-3x-52     0.9b-0.5=9.4     1-0.1d=2.1

1.  -4y-28=-44   - 28 + 44 = 4у 4у = 16 у = 4    2.  0.5b-0.2=-5.7.     0.5b = -5.7 + 0.2 0.5b = -5.5 b= -11   3.   -0.6x-2.3=4.3 -0.6x = 4.3 + 2.3 -0.6x = 6.6  x = -11    4. -7x-28=-3x-52 -7x + 3x = - 52 + 28 10x = 24 x = 2.4   5. 0.9b-0.5=9.4 0.9b= 9.4 + 0.5 0.9b=9.9 b=11   6. 1-0.1d=2.1 -0.1d=2.1-1 -0.1d=1.1 d = -11   :)