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How do you combine $(3 x - 4) - (x + 3)$ $(3x-4) - (x+3)$ ?

1 Answer

May 6, 2015

$(3 x - 4) - (x + 3)$ $(3x-4)-(x+3)$

$= 3 x - 4 - x - 3$ $=3x-4 -x -3$

Regrouping"
$= 3 x - x - 4 - 3$ $= 3x-x " " -4 -3$

$= 2 x - 7$ $=2x -7$

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