10х+4,5(3,3-2,7)=3,672
10х+14.85-12.15=3.672 10х=3.672+12.15-14.85 10×=0.972 ×=0.0972
10х+4,5(3,3-2,7)=3,672 10х+(14,85-12,15)=3,672 10х+2,7=3,672 10х=3,672-2,7 10х=0,972 х=0,972:10 х=0,0972