roxy1218
roxy1218
25-04-2014
Mathematics
contestada
Find the number of solutions :
4x-2y=8
y=2x+8
Respuesta :
elouramstark
elouramstark
25-04-2014
I think it would be no solution
4x-2(2x+8)=8
4x-4x+16=8
0x+16=8
16=8
which is wrong
Answer Link
Lilith
Lilith
25-04-2014
[tex]\begin{cases} 4x-2y=8 \\ y=2x+8 \end{cases} \\ \\\begin{cases} 4x-2y=8 \\-2x+ y= 8 \ \ /*2\end{cases}\\ \\\begin{cases} 4x-2y=8 \\-4x+ 2y= 16 \ \ /*2\end{cases} \\+ \ \ -------- \\ 0=24 \\ \\ Answer : \ no \ solution[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 83+ )
Otras preguntas
Wen, a consumer researcher, is conducting a research on the buying behavior of the hispanics. as part of her study, she calculates a consumer's buying power by
Explain the relationship between the french and british colonists what led them to go to war
Government policy can potentially raise economic well-being a. in all markets for goods and services. b. in economic models, but not in reality. c. when a good
A transformer only works with which type of current? split direct alternating magnetic
Sum of radical sign -2 and radical sign -18
Help me with the answers please
The physician ordered tegopen oral solution 50 mg/kg in equally divided doses at 6-hour intervals for a child who weighs 23 pounds
A sandwich store charges $20 to have 3 turkey subs delivered and $26 to have 4 delivered. Is the relationship between number of turkey subs delivered and amount
Press in the pictures (please help me please)
given that abc is similar to def what is x
