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Which of the following choices simplifies -(-x+1)?

Sagot :

we have the following expression

[tex]-(-x+1)[/tex]

we can simplify it as it follows

[tex]-\mleft(-a+b\mright)=a-b[/tex]

then:

[tex]-\mleft(-x+1\mright)=x-1[/tex]

Thus, the solution is option b