mrspressley2011 mrspressley2011

20-11-2021
Mathematics

contestada

Solve the system of equations by substitution.
X+5y=-11
-7x-9y=-1

Respuesta :

pauli1991 pauli1991

20-11-2021

Step-by-step explanation:

rearange one of the equations:

x = -11 - 5y

substitute x in the second equation

-7 (-11-5y) - 9y = -1

solve for y

once you know the value of y, substitute again to solve for x

Answer Link

Otras preguntas

How many 1/5s are in 9?

Help asap i have a test tomorrow and i’m lost

If a portion of the pancreas is surgically removed from a rat and the rat subsequently loses its appetite, one explanation is that the removed portion contains

Charles darwin was a british naturalist who proposed the theory of biological evolution by the mechanism of natural selection. Which of these scenarios is an ex

M is the fourth vertex of a parallelogram. The coordinates of the other vertices are (6, 4), (8, 1), and (2, 0). M can have any of the following coordinates exc

You will read data from a text file using a control loop, convert the numbers to the proper format, and then send the numbers to the screen AND to an output fil

Which story problem can be solved using the expression 5 divided by ¼?

Indian government regulation prohibits foreign-owned online companies. This obstacle in global marketing is an example of setting __________ by host countries

Unit 8 lesson 5 Spanish quiz answers

How does a change in the DNA sequence affect the amino acid produced during translation? A) A change in the DNA sequence sometimes changes the RNA sequence, whi