rachelmorten rachelmorten
  • 09-02-2015
  • Mathematics
contestada

Solve the simultaneous equation
3p+q=11
p+q=3

Respuesta :

naǫ
naǫ naǫ
  • 09-02-2015
[tex]3p+q=11 \\ p+q=3 \ \ \ |\times (-1) \\ \\ 3p+q=11 \\ \underline{-p-q=-3} \\ 3p-p=11-3 \\ 2p=8 \\ p=\frac{8}{2} \\ p=4 \\ \\ p+q=3 \\ 4+q=3 \\ q=3-4 \\ q=-1 \\ \\ \boxed{(p,q)=(4,-1)}[/tex]
Answer Link
kakusya98 kakusya98
  • 09-02-2015
q=3-p
3p+(3-p)=11
2p=8
p=4

q=3-4
q=-1
Answer Link

Otras preguntas

Describe the graph of the equation y = 4. Is the equation a function? vertical line; yes horizontal line; no vertical line; no horizontal line; yes
Can someone help me plzzz
Instructions:Select the correct answer. What was NOT true about the economy at the end of World War II? The GNP and corporate profits doubled. National debt qua
Which best describes the role of setting in a story?
What was the major factor that contributed to the rise of great Zimbabwe?
Help! Please answering this
The slopes of two lines are 3 and -1/3. Because of this, we can conclude that these two lines are which of the following? Parallel Perpendicular, this is what I
How does linear perspective help a flat canvas look like it has three dimensions? A.It is a technique based on geometry that tricks the eye into seeing depth. B
Martina opens a savings account with an initial deposit and makes no other deposits or withdrawals. She earns interest on her initial deposit. The total amount
Considering the historian's use of source material, which interpretation is most valid?