Найду корень уравнения: 3(4x+8)=7x−19
3*(4*x + 8) = 7*x - 19
3*(4*x+8) = 7*x-19
3*4*x+3*8 = 7*x-19
x = -43 / (5)
x1 = -43/5
x1 = -8.6