How do you combine like terms in #5a - 2- 3a + 7#?

1 Answer
EZ as pi
May 7, 2018

#2a+5#

Explanation:

Identify the like terms first. #a# terms and #"number"# terms.

#color(blue)(5a)" " color(red)(-2)" " color(blue)(-3a)" "color(red)(+7)#

#=color(blue)(5a)" " color(blue)(-3a)" "color(red)(+7) color(red)(-2)#

#=color(blue)(2a)" " color(red)(+" "5) #

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