Question 348061
0.2x+3=0.4(x-1)
...
the maximum number of decimals in the equation = 1
so multiply by 10
2x+30=4(x-1)
2x+30=4x-4
4x-2x=30+4
2x=34
x= 17
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If in the equation maximum digit after decimal is 2 multiply by 100
If 3 , multiply by 1000.