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-2(a+5)-10 = -2(a+10)
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-2(a+5)-10 = -2(a+10)

User Ariadna
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1 Answer

6 votes
-2a-10-10=-2a-20
Add 2a to each side giving you
-20=-20
The answer has infinite solutions
So x is all real numbers
User Jacobski
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