sugakookies1305 sugakookies1305
  • 22-02-2018
  • Mathematics
contestada

Solve the system of equations by substitution. (write your answer as an ordered pair) −5x + y = −2 −3x + 6y = −12 html editor keyboard shortcuts

Respuesta :

Аноним Аноним
  • 22-02-2018
 −5x + y = −2 ----------------- (1)
 −3x + 6y = −12 --------------(2)

From (1):

-5x + y = -2
y = 5x - 2 --------------- sub into (2)
-3x + 6 (5x - 2) = - 12
-3x + 30x - 12 = -12
27x = -12 + 12
27x = 0
x = 0 ---- sub into (1)
-5(0) + y = -2
0 + y = -2
y = -2

answer: (0, -2)



Answer Link

Otras preguntas

What is the setting of The Scarlet Letter? Please explain in detail (75+ words). *Consider location, time, religion, customs, etc. Please help!
Find i​ (the rate per​ period) and n​ (the number of​ periods) for the following loan at the given annual rate. Annual payments of ​$3,600 are made for 12 years
Hi y’all badly need help pls. Someone help me?
Let f(x) = -2x - 7 and g(x) = -4x + 6. Find (fxg)(-5).
Brianna is graphing the function f(x) = x2 + 6x + 5. What x-intercepts should Brianna use to graph f(x)? –5 and –1 –5 and 1 –1 and 5 1 and 5
15 points i mark you as brainlist if you answer the 4 questions
Find the 6th term in the expansion of (x + 2)9.
Which of these conditions is most likely to exist when there is a general slowdown of the economy? A. Less inflation B. More spending and income C. Less unemplo
a room with dimensions 10 ft by 5 ft require 400 tiles. how many tiles are needed for a room that measures 7 ft by 21 ft?
I need this factored. Is it actually considered prime??