9-3x-4x=47x=5x=5/7 27+5x-7x=32x=24x=127x-9x+26=10 2x=16x=1310+x=4+2x x=10-4x=626.6-3x=29.9-6x 3x=3x=114.6+3x=18.8+x2x=4.2x=2.119.5-2x=27-5x 3x=7.5x=2.521+4x-x=363x=15x=5