January 2024 1 5 Report
método de sustitución

a) 5x+2y=9
3y+ y=5

b) 2x-y=1
x+y=5

c) x-y=3
2x+ 4y=12


d) x+y=4
2x-3y= 3


e) x-2y=10
4x+ 4y= 4​

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