SOLUTION: 2(a-4)+15=13 i know the answer the answer is a=3 but how do i get 3 man this is so confusing

Question 344288: 2(a-4)+15=13
i know the answer the answer is a=3 but how do i get 3 man this is so confusing
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation.

Distribute.

Combine like terms on the left side.

Subtract from both sides.

Combine like terms on the right side.

Divide both sides by to isolate .

Reduce.

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Answer:

So the solution is

If you need more help, email me at jim_thompson5910@hotmail.com

Also, please consider making a donation at my tutoring website. Thank you.

Jim
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