How do you simplify $3(d-4)+2-2d+1-d$ ?

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Answer 1 · 2015-09-20T16:31:50

$=color(blue)(-9$

$color(blue)(3) * (d−4)+2−2d+1−d$

$= color(blue)(3) * (d) + color(blue)(3) *(−4)+2−2d+1−d$

$= 3d -12 +2−2d+1−d$

Grouping like terms:

$=color(blue)( 3d −2d−d)-12 +2+1$

$= d−d -9$

$=color(blue)(-9$

How do you simplify 3(d-4)+2-2d+1-d3(d-4)+2-2d+1-d?