How do you solve #5r - 20= r - 2( r + 1)#?
1 Answer
Jul 18, 2017
Expand and collect like terms.
Explanation:
-
Expand you right hand bracket.
#5r-20=-r-2# -
Collect the
#r# s and the integers.
#6r=18# -
Simplify by dividing by 6.
#r=3#
Hope this has helped.
