(5х-17)-(6-х)=13-(4х-14) пж
(5x-17)-(6-x)=13-(4x-14) 5x-17-6+x=13-4x+14 5x+x+4x=13+14+17+6 10x=50 x=5
5х-17-6+х=13-4х+14 6х-23=27-4х 6х-23-27+4х=0 10х-50=0 10х=50 Х=50÷10=5