amedellin
amedellin
26-02-2020
Mathematics
contestada
Solve by the substitution method
Y=3x-19
Y=x+1
Respuesta :
padmalathal
padmalathal
27-02-2020
Answer:
x=-9
Step-by-step explanation:
3x+19=x+1
3x=x-18
2x=-18
x=-9
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