tj7262
tj7262
01-02-2017
Mathematics
contestada
What's 4x+2y=10
X-y=13
Respuesta :
mohsan573
mohsan573
01-02-2017
X=y+13 then put in above
4(y+13)+2y=10
4y+52+2y=10
6y=-42
divide by 6
y=-7
Now put in X=y+13
x=-7+13
x=6
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