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#