the options are 3x
2x
x-1
1-x
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Answered by
0
Step-by-step explanation:
x+1+x-1-x-1=x-1
option c
Answered by
1
ANSWER = x-1
(x + 1 )+( x - 1 )+( - x - 1)
==> x+ x - x +1 -1 -1
==> x - 1
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