СРОЧНО!!!! только 3и4плиззз​!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!СРОЧНО!!!!!!!!!!

Question

СРОЧНО!!!! только 3и4плиззз​!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!СРОЧНО!!!!!!!!!!

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Answer 1

1)100x=427-375

100x=52

x=0.52

2)10000x+34567=68667

10000x=68667-34567

10000x=34100

x=3.41

3)1000x-345,7=276.2

1000x=276.2+345.7

1000x=621.9

x=0.6219

4)10x-12.78=0.22

10x=0.22+12.78

10x=13

x=1.3