How do you solve #21c = 189#?
1 Answer
Mar 25, 2017
Explanation:
Divide both sides by 21 and simplify. Here is how to do it:
#21c = 189#
#21c color(red)(div 21) = 189 color(red)(div 21)#
#cancel21c div cancel21 = 189 div 21#
#c = 189 div 21#
#c = 9#
