10 балов срочно #490

Question

10 балов срочно #490

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Answer 1

1)7
2)24
3)9
4)7..............................

Answer 2

1) 8(х-14)=56

х-14=7

х=21

2)(46-х)×19=418

46-х=22

-х=-24

х=24

3) 9(143-13х)=234

143-13х=26

-13х=-117

х=9

4) 17(5х-16)=238

(5х-16)=14

5х=30

х=6