desmondpacheco
desmondpacheco desmondpacheco
  • 04-06-2019
  • Mathematics
contestada

Complete the solution of the equation. Find the
value of y when x equals -9.
-7x + 8y = 39

Respuesta :

EmmaRoseAndre
EmmaRoseAndre EmmaRoseAndre
  • 04-06-2019

-7x+8y=39

x=-9

-7×-9+8y=39

63+8y=39

8y=39-63

8y=-24

y=-24÷8

y=-3

Answer Link

Otras preguntas

(10y^3+20y^2+55y)/5y
find an equivalent expression without parentheses -(50x-15y+15)=
Historians of china have traditionally dated the beginning of Chinese civilization to the founding of the what??
How were life forms affected by the rise in atmospheric oxygen levels that began 2.2 billion years ago?
Which equation has the same y-intercept as y=4x-3?a. y-3=x              b. y=8x+3    c. 3-y=4x      d. y=-3+8xWhich of the following is the equation of the line
Marika and Freddy sold 70 homes for Ron Realty. If Marika sold 2.5 times as many homes as Freddy, how many homes did each sell?
Marika and Freddy sold 70 homes for Ron Realty. If Marika sold 2.5 times as many homes as Freddy, how many homes did each sell?
(10y^3+20y^2+55y)/5y
Which equation has the same y-intercept as y=4x-3?a. y-3=x              b. y=8x+3    c. 3-y=4x      d. y=-3+8xWhich of the following is the equation of the line
(10y^3+20y^2+55y)/5y