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

Please answer normally and correctly

need help finding answer

The majority of marine organisms are found in coastal regions, rather than the open ocean. Which of the following best explains why? O Salinity is usually much

3. Which information indicates that new scafloor rock is forming along a mid-ocean ridge and then moving horizontally away from the ridge? A. Most volcanoes are

Managerial accounting is applicable to service entities. manufacturing entities. not-for-profit entities. all of these.

Evaluate 6x^2+18x-15 at x=3. A-75 B-93 C-133 D-363

How would you handle a situation where another team member was critical of your work?

Solve the test.......

Which of the following is true for calculating the future value of multiple cash flows? a) You can only find the FV of multiple cash flows if the payments occur

Which of the following formulas would allow you to copy it into another cell while keeping the row reference fixed? C$8 $C8 C8 $C$8