Find the value of 21 - 18 3 2. 2 9 18 User: Simplify 9 - {x - (7 + x)}.

asked Oct 18, 2016 203k views

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3 votes

The value of 21 - 18 is 3.

9 - {x - (7 + x)}
9 - {x - 7 - x}
9 - x + 7 + x
9 + 7 - x + x
16

VBobCat answered Oct 25, 2016

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