How do you solve #-9r = - 10r - 10#?
1 Answer
Nov 18, 2016
Explanation:
Collect terms in r on one side of the equation and numeric values on the other.
add 10r to both sides of the equation.
#-9r+10r=cancel(-10r)cancel(+10r)-10#
#rArrr=-10" is the solution"#
