-32,7*(0,1x+6,3)=0
0.1х+6.3=0:(-32.7)
0.1х+6.3=0
0.1х=0-6.3
0.1х=-6.3
х=-6.3:0.1
х=-63
-15 1/3*(1,9x+5,7)=0
1.9х+5.7=0:(-15 1/3)
1.9х+5.7=0
1.9х=0-5.7
1.9х=-5.7
х=-5.7:1.9
х=-3
-32,7*(0,1x+6,3)=0
0.1х+6.3=0:(-32.7)
0.1х+6.3=0
0.1х=0-6.3
0.1х=-6.3
х=-6.3:0.1
х=-63
-15 1/3*(1,9x+5,7)=0
1.9х+5.7=0:(-15 1/3)
1.9х+5.7=0
1.9х=0-5.7
1.9х=-5.7
х=-5.7:1.9
х=-3