SOLUTION: solve by the elimination method 2x-4y=20 7y=16-5x

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Question 250127: solve by the elimination method
2x-4y=20
7y=16-5x
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
first arrange the equations in the same order
x's then y's = the constant
multiply the first equation by 5 and the second by 2
then subtract the two new equations to eliminate x
solve for y