Asked by george

Simplify 9 - {x - (7 + x)}.

A)16

B)-2x + 2

C)-2x + 16

B)2x + 2
Answered by PsyDAG
9 - {x - (7 + x)} = 9 - (x - 7 - x) = 9 - (-7)

You should be able to take it from there.
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