SOLUTION: solve system by elimination -4x+5y=1 4x-4y=-4 the correct answer is (-4,-3) I dont understand elimination method

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Question 723190: solve system by elimination
-4x+5y=1
4x-4y=-4
the correct answer is (-4,-3) I dont understand elimination method

Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!



___________________add them, and will cancel each other; so, we will eliminate variable and solve for




now go one of given equations, plug in value and solve for









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