Найдите корень уравнения. 1) 2)
По правилу пропорции: 1) (3m+5)*3 = 4*(5m+1) 9m + 15 = 20m + 4 11 = 11m m = 1 2) 8*(5x+3) = 5*(x-5) 40x + 24 = 5x - 25 35x = -49 x = -49/35 = -7/5