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OpenStudy (anonymous):
2x-y=8 5x-2y=21 What is the ordered pair
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OpenStudy (texaschic101):
do you know the substitution method ?
OpenStudy (texaschic101):
2x - y = 8 --> -y = 8 - 2x --> y = 2x - 8 Now sub 2x - 8 in for y in the other equation... 5x - 2y = 21 5x - 2(2x - 8) = 21 (distribute through the parenthesis) solve for x. Once x is found, sub that back into either of the original equations and solve for y. You can do this :)
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