((x - 1) - 1) + (x - 1) + x;
make it short
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Answered by
1
Step-by-step explanation:
=-x+1-1+(x-1)+x
=-x+x+x-1+1
=x
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Answered by
1
Answer:
x
Step-by-step explanation:
((x-1)-1)+(x-1)+x
=-x+1+x-1+x(multiply inside by -1)
=-x+x+x-1+1
=x
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