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

What is the primary religion of the French Indochina nations?
Classify each cation as a weak acid or pH neutral (neither acidic nor basic). a. Na+ b. Ni2+ c. NH4+
If an electrical component with a resistance of 53 Q is connected to a 128-V source, how much current flows through the component?
what does forage mean?
Select the correct answer. Which image shows the correct position of M(-4, 3)? A. graph A B. graph B C. graph C D. graph D
Help im stuck on this problem
3. What is the relationship of the sea and land breeze to the temperature of an area?please ung matinong answer po need ko po kase​
If A = {1, 2, 3} the number of non-empty proper subsets are ​
The balanced scorecard is a unique system of performance measures in that it: (Check all that apply.) Multiple select question. has financial and nonfinancial m
Beginning three months from now, you want to be able to withdraw $2,700 each quarter from your bank account to cover college expenses over the next four years.