How do you combine like terms in $(5a - 9b - 2c ) + ( c - 7b - 3c )$ ?

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Answer 1 · 2018-06-13T16:06:11

$5a - 16b - 4c$

$(5a - 9b - 2c) + (c-7b -3c) =$

Step 1: combine the $a$ terms

$5a$
(No other $a$ terms)

$=5a$

Step 2: combine the $b$ terms

$-9b-7b=-16b$

Step 3: combine the $c$ terms

$-2c-3c +c = -4c$

Step 4: Put your answers together

$= 5a-16b-4c$

Answer 2 · 2018-06-13T16:09:26

$5a-16b-4c$

Writing
$5a-9b-7c-2c+c-3c=5a-16b-4c$

How do you combine like terms in (5a - 9b - 2c ) + ( c - 7b - 3c )(5a - 9b - 2c ) + ( c - 7b - 3c )?