(2x-3)*4=0 (2x-5)*(-2)=-2 2*(-6+8b)= -4((-a)+b)= -a*(-2-4c)= помогите решить плизззззз))))))))
(2x -3)*4 = 0 2x - 3 = 0 2x = 3 x = 3 / 2 x = 1.5 (2x - 5)*(-2) = -2 2x - 5 = -2 / (-2) 2x - 5 = 1 2x = 1 + 5 x = 6 / 2 x = 3 2 * (-6 + 8b) = - 4 -12 + 16b = -4 16b = 12 - 4 b = 8 / 16 b = 0.5