SOLUTION: Please help: How do you solve the problem 2a - 7 = -9 thank you

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Question 506323: Please help:
How do you solve the problem
2a - 7 = -9
thank you

Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
2a-7=-9 Start with the given equation.


2a=-9%2B7 Add 7 to both sides.


2a=-2 Combine like terms on the right side.


a=%28-2%29%2F%282%29 Divide both sides by 2 to isolate a.


a=-1 Reduce.


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Answer:

So the solution is a=-1