How do you evaluate #5( 7+ m ) - 18- 3m )#?

1 Answer
Apr 5, 2018

#17+2m#

Explanation:

First open up the inner most bracket [In this case it is #5(7+m)#]

#[(5xx7) +( 5xxm)] #

= #35+5m#

Then simply add and subtract like terms

#35+5m-18-3m#

#= (35-18)+(5m-3m)#

#=17 +2m#

Voila! Hope this helps!