2x+6=6x+9 6x=5 5x+2=3 9x+5x=4
2x+6=6x+9
6x=5
5x+2=3
9x+5x=4
2x+6=6x+9 2x-6x=9-6 -4x=3 x=-3/4 6x=5 x=5/6 5x+2=3 5x=3-2 5x=1 x=1/5 9x+5x=4 14x=4 x=4/14
2x+6=6x+9 2x-6x=9-6 -4x=3 /:(-4) x=-3/4 6x=5 /:6 x=5/6 5x+2=3 5x=3-2 5x=1 /:5 x=0,2 9x+5x=4 14x=4 /:14 x=4/14 ;]
1) 2x+6=6x+9 2x-6x=9-6 -4x=3 /(-4) x= - 3/4 2) 6x=5 x= 5/6 3) 5x+2=3 5x=3-2 5x=1 /:5 x= 1/5 4) 9x+5x=4 14x= 4 /:14 x= 4/14