ju3lia5rcamila ju3lia5rcamila
  • 03-12-2016
  • Mathematics
contestada

Find the solution to the equations.

3x - y = -4
x + y = 0

(0, 0)
(-1, 1)
(1, -1)

Respuesta :

jimthompson5910 jimthompson5910
  • 03-12-2016
Add up the equations to get

3x-y = -4
x+y = 0
------------
4x = -4

Since 4x = -4, this means x = -1 after we divide everything by 4. The only answer choice that has this is (-1,1) which is the final answer
Answer Link

Otras preguntas

What is the order of rotation symmetry of a regular pentagon and a rectangle?
ASHANTI AND MARIA WENT TO THE STORE TO BUY SNACKS FOR THEIR BACK TO SCHOOL PARTY. THEY BOUGHT BAGS OF CHIPS,PRETZELS,NACHOS. THEY BOUGHT FOUR TIMES AS MANY BAGS
Thomas Paine's Common Sense, more than any other publication, paved the way for which document? A. Declaration of Independence B. U.S. Constitution C.
72% full in a decimal
How did the Erie Canal impact the shipping and trading of goods and resources?
After the Reconstruction Era, the Southern states were economically disadvantaged because of A) waves of immigration. B) the institution of slavery. C) their
The ratio of the price of a pair of sneakers to the price of a pair of boots is 15:19. The price of a pair of boots is 570 dollars. If Tina buys 2 pairs of snea
4 to 8 = 15 to n Can someone show me the answer
Find the equation of the line that has slope, m = 0, and passes through the point (4, −3). A) y = 4 B) x = 4 C) y = −3 D) x = −3
If sin theta = 2/5 and theta is in quadrant I, determine the following. a. cos theta b. tan theta c. sec theta d. csc theta e. cot theta