10-4х+3=9х-2-6х+9-7х+6
10-4х+3=9х-2-6х+9-7х+6 10+3+2-9-6=4х+9х-6х-7х 0=0 х=1
10-4x+3=9x-2-6x+9-7x+6 -4x-9x+6x-6x=-2+9+6-10-3 -13x=0 х=0