How do you solve #7- 3r = r - 4( 2+ r )#?

1 Answer
Gazza
Oct 10, 2017

#0=-15#
There are no solutions

Explanation:

#7 - 3r = r-4 (2+r)#
Distribute the right side
#7 - 3r = r + (-4)(2)+(-4)(r)#
#7 - 3r = r - 8 - 4r#
Combine like terms
#-3r - r + 4r = -8 - 7#
#-3r + 3r = -8 -7#
#0 = -15#
There are no solutions.

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