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

Ash Lee bought a new Brunswick boat for $17,000. He made a $2,500 down payment on it. The bank's loan was for 60 months. Finance charges totaled $4,900. His mon

in a certain game, points you win are positive numbers and points you lose are negative numbers. What is the value of the series plays: win 8, lose 7, will 11,

2What is the solution of the equation 6x - 3 = -51?A. -9B. -8c. 8.D. 9

Discuss the different methods of authentication supported between Microsoft’s Web server (Internet Information Services) and the browsers in common use at your

Read the excerpt from Warriors Don't Cry. The next day, in the Sunday paper, I saw a pitiful closeup photograph of Elizabeth, walking alone in front of Central

Please answer this correctly without making mistakes

Two points A and B are A (0,1) and B (2,4). Write down the eqaution of the line perpendicular to AB and Passing through the point (0,2)

Tom and Lynda also inform you that the monthly individual membership fee is $100and that the monthly family membership fee is $160. Hercules offers a 10% discou

Raj is writing a paper for his abnormal psychology course about how both the Research Domain Criteria (RDOC) and the Diagnostic and Statistical Manual of Mental

Yan Yan Corp. has a $5,000 par value bond outstanding with a coupon rate of 4.6 percent paid semiannually and 21 years to maturity. The yield to maturity on thi