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

A transformer has a primary coil with 600 turns and a secondary coil with 300 turns. If the output voltage is 320 volts, what is the input voltage?A. 8 volts
Given the inequalities y > 5x-8 and y >3x+4, find the point that satisfies one inequalities but not them all
Consider the following system of equations. y = 2x - 2 y - 2x = 5 What can you conclude about the system of equations? The system of equations is inconsistent.
. What are three factors that could contribute to a source not being credible?
One-half of a number is -12. Find the solution ???
Which statement is NOT true?A.  If two coplanar lines do not intersect, then the lines are parallel.B. Two lines lie in one plane and do not intersect if and on
factoring 12m^2n^2-8mn+1=
What is a Mandala Autobiography?
Any number that is divisible by 3 is also divisible by 9.Find a counterexample to show that the conjecture is false.18274548
What Canadian city is across a body of water from New York