mathishard5656 mathishard5656
  • 16-01-2017
  • Mathematics
contestada

7x+2y=5. -x-6y =8 solving linear systems using multiplication and addition show your work

Respuesta :

ian13
ian13 ian13
  • 16-01-2017
3(7x+2y)=15,21x+6y+(-x-6y)=15+8,20x=23,x=23/20,
Answer Link

Otras preguntas

which words from the poem best tell how brueghel treats the fall of icarus
the time it takes for monetary or fiscal policy tto become effective is the _____ lag
The narrator suffers from catalepsy, a physical condition in which the individual cannot move or speak for hours or, in extreme cases, for months. According to
This scientist came up with the idea that the earth revolved around the sun. Newton Copernicus Galileo Kepler
The city most closely associated with the italian renaissance was
An elderly woman in a nursing home no longer goes outside to enjoy the sunshine and fresh air, has reduced her meat intake because her dentures don't fit well,
what muscle is responsible for inflation and deflation of the lungs
Dr. Sperry, a biologist, is using Excel to track growth rates of different populations of bacteria. She has a very complex formula in one cell. It begins with “
please help me I need answer
Which system of equation could be graphed to solve the equation below?