Debiklauminzer Debiklauminzer
  • 02-04-2020
  • Mathematics
contestada

Solve the following systems of equations

x+3y=-23
-x+4y=-26

Respuesta :

georgiabut
georgiabut georgiabut
  • 02-04-2020

Answer:

y = -7, x = 2

Step-by-step explanation:

x+3y=-23  (eq 1)

-x+4y=-26 (eq 2)

eq1 + eq 2

7y = -49

y = -7

Sub y = -7 into eq 1

x+3(-7) =-23

x -21 = -23

x = 2

Answer Link

Otras preguntas

change 475 percent into mixed number
D o all the triangle's sides equal 180°
when salmon are born, where do they head for?
How can you use models to explain why 3.1=3.10?
25% of what number is 19?
In August of 1939, Germany signed a non-aggression pact with
The root word graph means to
What is the answer to this square is to plane as cube is to what
determine the mass in grams of 125 mol of neon
Your _______ should furnish enough money to live on, in an emergency, for six months. A. investments End of exam B. savings C. interest D. IRA