calebamajors calebamajors
  • 13-04-2020
  • Mathematics
contestada

-3x + y = 7
-4x + 4y =-12

Respuesta :

calapana
calapana calapana
  • 13-04-2020

Step-by-step explanation:

multiplying eq 1 by 4and eq 2 by 3 ,we get

-12x+4y=28

-12x+12y=-36

solving eq 1and 2

4y-12y=64

-8y=64

y=-8

x=-5

Answer Link

Otras preguntas

The graph represents the reaction 3H2 + N2 2NH3 as it reaches equilibrium. Based on the graph, which two statements about this reaction are true? PLEASE NO LINK
need help with this will give brainlest
For the following scenarios, determine whether or not they represent paired samples. a. Test scores for students in a biology class taught by Professor Quick a
How might have BRAT and the Treaty of Versailles have caused World War II?
The ‘Boston Tea Party’ was a colonial protest based on the Tea Act of 1773, and the violations of colonists right to which of the following selections?
that the product will do the job that is was purchased for machine.​
How long will it take a car to travel 400 km if it is traveling at a velocity of 55 km/hr
what is the value of Q
In footnotes to its year-end annual report, Bancfirst Corp. reported that held-to-maturity debt securities with an amortized cost of $3,929 thousand had an esti
Write sin(19°) in terms of cosine.