помогите решить уравнение ( 2х - 9 ) ÷ 5 = 3 ( 7х + 3 ) ÷ 6 = 4 ( 10х -27 ) × 5 = 15 ( 8х + 3 ) ÷ 7 = 5

2x-9:5=21x+9:6=40x-108*5=120x+45:7=52x-1.8=21x+1.5=40x-21.6=120x+45/7=52x-21x-40x-120x=5-45/7+21.6-1.5+1.8-179x=