Question

2,24(5/16x-3/7)-35,1(9/13x-4/9)

Answer 1

2,24(5/16x-3/7)-35,1(9/13x-4/9)=224/100×(5/16)х - 224/100×3/7 - 351/10×(9/13)х + 351/10×4/9 = (7/10)х - 24/25 - (24 целых 3/10)х + 15 целых 3/5 = 0,7х - 24,3х - 24/25 + 15 целых 3/5 = - 23,6х - 0,96 + 15,6 = -23,6х + 14,64