SOLUTION: {-2x - 2y = 6 {3x + 4y = 8 This is to be solved I came up with(-3,5) Can you please tell me if this is right if not can you give me the easiest steps to get the right answer

Algebra ->  Real-numbers -> SOLUTION: {-2x - 2y = 6 {3x + 4y = 8 This is to be solved I came up with(-3,5) Can you please tell me if this is right if not can you give me the easiest steps to get the right answer       Log On


   



Question 938773: {-2x - 2y = 6
{3x + 4y = 8
This is to be solved
I came up with(-3,5)
Can you please tell me if this is right if not can you give me the easiest steps to get the right answer

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
-2x - 2y = 6
3x + 4y = 8
This is to be solved
I came up with(-3,5)
Can you please tell me if this is right if not can you give me the easiest steps to get the right answer
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Sub -3 for x & 5 for y and see if it works.
-2x - 2y = 6
-2*(-3) - 2*5 =? 6
6 - 10 =? 6
Not equal. No reason to check the other equation.
How did you get (-3,5)?
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Multiply the 1st eqn by 2, then add the 2nd eqn.