6(x-8)=90. 5(x+1)=9. 3(x-4)=1

6х - 48 = 906х = 90 + 486х = 138х = 23----------------------------5х + 5 = 95х = 9 - 55х = 4х = 0,8----------------------------3х - 12 = 13х = 1 + 123х = 13х = 4целых 1/3--------------------------