3 (x+1) 2 (5-x) 16-13x -----------+----------=----------- 8 3 12
(3x+3)/8+(10-2x)/3=(16-13x)/12 3(3x+3)+8(10-2x)=2(16-13x) 9x+9+80-16x=32-26x 89-25x=32-26x 26x-25x=32-89 x=-57