Найдите корень уравнения
4(z-7)-3 = -51 4(z-7) = -51+3 4(z-7) = -48 z-7 = -48/4 z-7 = -12 z = -12+7 z = -5
4z-28-3=-51 4z-31=-51 4z=-51+31 4z=-20 z=-20\4 z=-5