6(x+1) 2+2(x-1) 2-2(x+1) 3=26
12х+12+4х-4-6х-6=26 10х=24 х=2,4
6х+6*2+2х-2*2-2х-2*3=26 4х-2=26 4х=28 х=28:4 х=6.5