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

El producto de w y 9
In f(x) = a(x - p)(x - 9), what does "a" tell us?​
Someone, please help me
In 200 words or more (not including the Honor Code or the prompt), answer the following prompt. PROMPT: Using examples from Andrew Jackson's presidency, such a
SOMEONES PLS HELP ILL GIVE BRAINLIEST
Mother mixed cream and milk in the ratio of 2 parts cream to 3 parts milk. How many cups of each are needed to have 80 cups of mixture?​
Simplify the expression, 3.5(1.6 + 4.6 - 8.5) - 9.75
David drove 20 miles in 5 mins. Sean drove 45 miles in 9 mins. Who drove at a faster rate? Explain.
z^4 / z (when z = 1)
which number is located closest to the place where the Aztec civilization was located?​