Seudónimo Seudónimo
  • 12-04-2017
  • Mathematics
contestada

Use addition to solve the linear system of equations. Show all of your work.

x = y + 3
y = -4x - 3

Respuesta :

sorryimemely
sorryimemely sorryimemely
  • 12-04-2017
You're looking for the answers to both X and Y, correct?
Answer Link
merrygoroundtheworld
merrygoroundtheworld merrygoroundtheworld
  • 12-04-2017
I changed the first equation to y=x-3 by subtracting 3 from each side.

y=x-3
y=-4x-3

So, x-3 = -4x-3, because y =y.

So, I then solved for x, and used this number to solve for y.
Answer Link

Otras preguntas

If f(x) = startfraction 7 over x endfraction, then what is the slope of f(x) at x = 5? round your answer to 3 decimal places.
1. Compare and contrast the experience and treatment of African Americans and Latino- Americans in the US military during WW2.
Need some help pleas
COMPARE AND CONTRAST: Compare and contrast the intended audience and the purpose in the excerpt from Mother Jones: Fierce Fighter for Workers' Rights, "Speech t
What are three questions to ask yourself before you spend your emergency fund?.
If two dice are rolled, what is the probability that the sum of the dots on the upward faces is 10
2. Present ages of Kiran and Syam are in the ratio 5: 4. Three years hence, the ratio of their ages will become 11:9. What is Syam's present age in years? A. 26
A six-sided number cube is rolled 300 times. The results are 120 even numbers and 180 odd numbers. How does the relative frequency of rolling an even number com
is 0.7 rational or irrational
How many years ago were the terracotta soldiers made?