5,4(3y-2)-7,2(2y-3)=1,2;
16,2y-10,8-14,4y+21,6=1,2;
1,8y+10,8=1,2;
1,8y=-9,6;
y=-16/3;
y=-5⅓
5,4(3y-2)-7,2(2y-3)=1,2
5.4*3y-5.4*2-7.2*2y+7.2*3=1.2
16.2y-10.8-14.4y+21.6=1.2
1.8y+10.8=1.2
1.8y=1.2-10.8
1.8y=-9.6
y=-9.6/1.8
y=-5целых и 1/3
5,4(3y-2)-7,2(2y-3)=1,2;
16,2y-10,8-14,4y+21,6=1,2;
1,8y+10,8=1,2;
1,8y=-9,6;
y=-16/3;
y=-5⅓
5,4(3y-2)-7,2(2y-3)=1,2
5.4*3y-5.4*2-7.2*2y+7.2*3=1.2
16.2y-10.8-14.4y+21.6=1.2
1.8y+10.8=1.2
1.8y=1.2-10.8
1.8y=-9.6
y=-9.6/1.8
y=-5целых и 1/3