розв039;яжть рвняння 1) 8(х-1,4)=0,562) (4,6 - х)* 19 = 4,183) (х-7,3)

1) 8(х-1,4)=0,56;
8x-11,2=0,56;
8x=0,56+11,2;
8x=11,76;
x=11,76:8;
x=1,47.

2) (4,6 - х)* 19 = 4,18;
4,6-x=4,18:19;
4,6-x=0,22;
x=4,6-0,22;
x=4,38.

3) (х-7,3) * 3,2 = 12, 16;
x-7,3=12,16:3,2;
x-7,3=3,8;
x=3,8+7,3;
x=11,1.

4) (51,32 + х) * 0,12 = 72;
51,32+x=72:0,12;
51,32+x=600;
x=600-51,32;
x=548,68.

5) 17,28 : (56 - х)=36;
56-x= 17,28:36;
56-x=0,48;
x=56-0,48;
x=55,52.

6) х : 4,28 + 16,47 = 19,97;
x:20,75=19,97;
x=19,97*20,75;
x=414,3775.