Simplify 9 - {x - (7 + x)}.
Let's simplify step-by-step.9−x−(7+x)Distribute the Negative Sign:=9−x+−1(7+x)=9+−x+(−1)(7)+−1x=9+−x+−7+−xCombine Like Terms:=9+−x+−7+−x=(−x+−x)+(9+−7)=−2x+2Answer:=−2x+2
9 - {x - (7 + x)}= 9 - { x - 7 - x }= 9 - {-7}= 9 + 7= 16In short, Your Answer would be 16Hope this helps!