Respuesta :

Answer:

x=-1/2

Step-by-step explanation

1. multiply the parantheses by 10 that'll give us 20x-40=100x

2. move terms, that'll give us 20x-100x=40

3. subtract 100x from 20x, that'll give us -80x=40

4. divide both sides by -80, which is x=-1/2

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