Question

2x+5y=14 x-y=0 por favor alguem responde

Answer 1

x-y=0
2x+5y=14

x=0+y
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2x+5y=14
2.(0+y)+5y=14
0+2y+5y=14
2y+5y=14 + 0
7y=14
y=14/7
y=2
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x=0+y
x=0+2
x=2
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S:x=2/y=2