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-2x=-x-3 I don't know how to solve it

-2x=-x-3 I don't know how to solve it
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3 votes
-2x=-x-3 I don't know how to solve it

User Papirrin
by
7.6k points

1 Answer

3 votes

Answer:

x = 3

Explanation:


-2x=-x-3\qquad\text{add}\ x\ \text{to both sides}\\\\-2x+x=-x+x-3\\\\-x=-3\qquad\text{change the signs}\\\\x=3

User Vladislav Ladicky
by
7.7k points
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