Question #8b7e5

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Answer 1 · 2017-06-09T00:16:18

#a=3#

We begin the problem by distributing the #3# and #4# into the parenthesis:

#6a+9-12a+24=15#

Combine like terms:

#-6a+33=15#

Subtract #33# from both sides:

#-6a+cancel33-cancel33=15-33#

You are left with:

#-6a=-18#

Divide both sides by #-6#:

#(-6a)/-6=(-18)/-6#

Our final answer is:

#a=3#

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