2019cwelsh 2019cwelsh
  • 24-07-2017
  • Mathematics
contestada

Solve the system algebraically.

3x - 2y - 1 = 0
y = 5x + 4

What is the solution?


{(-9/7,-17/7)}


{(9/7,17/7)}


{(9/7,-17/7)}

Respuesta :

freelilboosie12 freelilboosie12
  • 24-07-2017
3x -2(5x + 4) - 1 = 0

3x - 10x -9 = 0

3x - 10x = 9 

-7x = 9 x= 9/-7 x=-9/7

y = 5(-9/7) + 4 

y= -17/7

The answer is A
Answer Link

Otras preguntas

What is the y-intercept?
HƏĻP MƏEvaluate the expression when f= 125, 3/5(F - 20)​
Which three statements represent an impact of riged caste system on people in ancient medieval India
I REALLY NEED HELP PLEASE :)​
Why are the rocks on the bottom folded but the top ones are not? What could’ve caused this?
Why do you think the population growth rate has slowed overall but remains high in less developed countries?
can someone help me with this?
Read the following excerpt from Anne Sexton’s poem “Young” and answer the question. my father’s window, half shut, an eye where sleepers pass, Which of the foll
Which expression is equivalent to 4 (2p+4q)? A 4p + 169 B 8p + 49 2p+ (3p + 169) None of the above
They don’t need to be graphed pleas help answer them all 4