1/3x + 1 = -1/4 (x + 4/5)
1/3х + 1 = -1/4х - 1/5 1/3х + 1/4х = - 1 - 1/5 7/12х = - 1 1/5 х = - 6/5 : 7/12 х = - 2 1/8