-3x/7+3(x-2/7)+11=-7/2x+3(x+1)
-3/7x+3x-6/7+11=-7/2x+3x+3
-3/7x+3x+7/2x-3x=3+6/7-11
43/14x=-50/7
x=-100/43
-3x/7+3(x-2/7)+11=-7/2x+3(x+1)
-3/7x+3x-6/7+11=-7/2x+3x+3
-3/7x+3x+7/2x-3x=3+6/7-11
43/14x=-50/7
x=-100/43