Question

ALGEBRA
SIMPLIFY
STEP BY STEP
SOLUTION
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Answer 1

Answer:

x-1

Step-by-step explanation:

⇒1-[1-x-{-1-x+(-1+x+1)}]  

⇒1-[1-x-{-1-x-1+x+1}]

⇒1-[1-x+1+x+1-x-1]

⇒1-1+x-1-x-1+x+1

⇒2-3+2x-x

⇒x-1

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