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

anyone know how to solve by giving me not only an explanation in words but can show me the equation, to solve the problem below? thanks 3(x+7)=6(x+2)

A bottle contains 6.23 g of copper turnings. The mass of a length of magnesium ribbon is 6.23 g. Are there more copper atoms or more magnesium atoms present?

Will mark as Brainliest. The number of wild flowers growing each year in a meadow is modeled by the function f(x). f(x)=[tex] \frac{1000}{1+9e^{-0.4x} } [/tex]

which best describes cosmic microwave background radiation

PLEASE HELP ME!!!!!!!! ASAP

Simplify (x − 4)(x2 − 2x − 3).

I WILL MARK BRAINLIEST!!!!!! What is the distance between A and B? Round your answer to the nearest hundredth. A. 9.58 B. 10.63 C. 11.56 D. 12.29

which of the following are remote interior angles?

if the measure of an angle is 13 find the measure of its supplement

Read this passage:a stand-up comedian is accused of violating a new state law that makes it illegal to insult someone based on his or her gender, race, or relig