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28-04-2018
Mathematics

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x-y=25,2x+3y=180 2x-3y=-5,x+y/11=50 x-y=19,-2x+y/6=28

xy252x3y180 2x3y5xy1150 xy192xy628 class=

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aencabo aencabo

28-04-2018

X-y=25,2x+3y=180 -------> (51,26)
2x-3y=-5,x+y/11=50 ------> (47,33)
x-y=19,-2x+y/6=28 -------> (-17, -36)
2x-y=-6, (x-305)/3=2y ----> (-31,-56)

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