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

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Answer 1 · 2018-04-22T04:56:37

a = -2

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

Answer 2 · 2018-04-22T04:57:33

#a = -2#

#=> 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#