SOLUTION: Solve each system by addition, if possible. x + 2y = -9 x - 2y = -1 ----------- ------

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Question 807188: Solve each system by addition, if possible.
x + 2y = -9
x - 2y = -1
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Found 2 solutions by Alan3354, kekestarme:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!

x + 2y = -9
x - 2y = -1
------------------ Add them

Answer by kekestarme(2) About Me  (Show Source):
You can put this solution on YOUR website!
Copy and paste the links below to get a full description and CORRECT answer for your question.



First we need to know that the equation: y=mx+b



Go To: http://www.algebra.com/tutors/describe_linear_equation.solver?solver_action=plug for a better understanding & for the answer.

**I realized that both links are the same, just punch in the proper numbers to solve**

Go To: http://www.algebra.com/tutors/describe_linear_equation.solver?solver_action=plug for a better understanding & for the answer for x-2y=-1. **Remember that x-2y=-1 also equals x+-2y=-1 so don't get that mixed up because they are the same thing but just written in a different way.




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