Question

1,38x+5,744=0,18x+5,78

Answer 1

1,38x+5,744=0,18x+5,78
 1,38х - 0,18х = 5, 78 - 5, 744 
1,2х = 0,036
 х=0, 036 : 1,2
 х= 0, 03
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