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hartnnBest ResponseYou've already chosen the best response.0
Subtract those 2 equations, what you get ?
 one year ago

shaik0124Best ResponseYou've already chosen the best response.0
multiply first equation by 2 and subtract both equations
 one year ago

mustryBest ResponseYou've already chosen the best response.0
use substitution method
 one year ago

newbold_galenBest ResponseYou've already chosen the best response.0
can you show me how you got that? this stuff confuses me. seem to always to it wrong
 one year ago

mustryBest ResponseYou've already chosen the best response.0
take first equation 2xy=7
 one year ago

mustryBest ResponseYou've already chosen the best response.0
2x=7+y y=2x+7.......(1) put value of y in second equation
 one year ago
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