How do you combine like terms in #(3p - 5q - 6r ) + ( 2p + 3q - 2r ) + ( - 12p + 4q + r )#?

1 Answer
GM_Phrostbyte
Jul 1, 2017

#-7p+2q-7r#

Explanation:

You can reorganize the terms into the ones with the same letter because you are adding/subtracting them.

#(3p+2p-12p)+(-5q+3q+4q)+(-6r-2r+r)#

Now just add the coefficients in each bracket to get:

#-7p+2q-7r#

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