Seudónimo
Seudónimo
30-11-2020
Mathematics
contestada
subsitution form
y=3x
4x+2y=30
Respuesta :
madisonleebock
madisonleebock
30-11-2020
Answer:
4x+2(3x)=30
4x+6x=30
10x=30
/10. /10
x=3
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