How do you solve #8+ 15a = 11a#?

2 Answers
Apr 22, 2018

a = -2

Explanation:

Move 15a to the right hand side.
You get #8 = -4a# and thus
#a = -2#

Apr 22, 2018

#a = -2#

Explanation:

#=> 8 + 15a = 11a#

Add #-15a# on both the sides

#=> 8 + 15a - 15a = 11a - 15a#

#=> 8 + 0 = -4a#

#=> 4a = -8#

Divide both sides by #4#

#=> (cancel(4)a)/cancel(4) = -8/4#

#=> a = -2#