Question

Ache a raiz da equação
(1 - x) - (x + 1) + (x + 3) + (2x - 1) = 6 


s = {6 ; -6}

s = {4 ; -4}

s = {4}

s = {6}

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Answer 1

1-x-x-1+x+3+2x-1=6
/-/-/-/+x+3-1=6
X= 6-3+1
X= 4