8+6+(-3.47x)=7+8-3.97x
-3.47x+3.97x=7+8-8-6
0.5x=1
x=1:0.5
x=2
8+6-3,47x=7+8-3,97x
-3,47x+3,97x=7+8-8-6
0,50x=1
8+6+(-3.47x)=7+8-3.97x
-3.47x+3.97x=7+8-8-6
0.5x=1
x=1:0.5
x=2
8+6-3,47x=7+8-3,97x
-3,47x+3,97x=7+8-8-6
0,50x=1
x=2