How do you simplify $1/2(16-4a)-3/4(12+20a)$ ?

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Answer 1 · 2018-07-09T22:11:02

$-1 - 17a$

$1/2(16-4a) - 3/4(12+20a)$

$8 - 2a - 9 - 15a$

Color-code the like terms:
$color(red)(8) quadcolor(blue)(-quad2a) quadcolor(red)(-quad9) quadcolor(blue)(-quad15a)$

Combine the like terms:
$-1 - 17a$

Put the term with the variable first:
$-17a - 1$

Hope this helps!

How do you simplify 1/2(16-4a)-3/4(12+20a)1/2(16-4a)-3/4(12+20a)?