SOLUTION: 3(a+4)=2a-1

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Question 682748: 3(a+4)=2a-1
Answer by funmath(2933) About Me  (Show Source):
You can put this solution on YOUR website!
3%28a%2B4%29=2a-1
Distribute the 3.
3a%2B12=2a-1
Subtract 2a from both sides to get the variables on one side of the equal sign.
3a-2a%2B12=2a-2a-1
a%2B12=-1
Subtract 12 from both sides to isolate the a.
a%2B12-12=-1-12
highlight%28a=-13%29
Happy Calculating!!!