ShivankB421628 ShivankB421628
  • 03-11-2022
  • Mathematics
contestada

if -x - 3y = 2 and -8x + 10y = 9 are true equations, what would would be the value of -9x + 7y?

Respuesta :

TyrenT626354 TyrenT626354
  • 03-11-2022

To find the value we add both equations:

[tex]\begin{gathered} (-x-3y)+(-8x+10y)=2+9 \\ -9x+7y=11 \end{gathered}[/tex]

Therefore the value of the expression given is 11.

Answer Link

Otras preguntas

help me plzzz with part D ly
I need help guys please help I will appreciate it
A single die is rolled one time. find the probability of rolling a number greater than 1 or less than 6.
In a human, how many chromosomes are present in a cell before it undergoes mitosis and meiosis?
6. What property is being shown? 5 3 ∙ 1 = 5 3
Which of the following shows the factors of 2y^2 - 2y - 4? Select one of the options below as your answer: A. (2y - 4)(y - 1) B. (2y - 4)(y + 1) C. (2y - 2)(y -
The north american free trade agreement continues to spark debate today, particularly concerning?
three times the square of a non-zero number is equal to fifteen times the number.. what is the number?
Each element in a given compound comprises a fixed percent by
A group of 19 students want to see the show at the planetarium. Tickets cost $11 for each student who is a member of the planetarium's frequent visitor program