7,3x+1,8-1,1x+0,6=5x+4,1-1,7+1,2x
7.3x+1.8-1.1x+0.6=5x+4.1-1.7+1.2x 6.2x+2.4=6.2x+2.4 6.2x-6.2x=2.4-2.4 0=0 х - любое число