SOLUTION: Solve the system by graphing and then get an exact solution by using either substitution or eliminations 2x - y = -1 6x + 3y = 0

Algebra ->  Expressions-with-variables -> SOLUTION: Solve the system by graphing and then get an exact solution by using either substitution or eliminations 2x - y = -1 6x + 3y = 0      Log On


   

Question 64511This question is from textbook An Incremental Development
: Solve the system by graphing and then get an exact solution by using either substitution or eliminations
2x - y = -1
6x + 3y = 0 This question is from textbook An Incremental Development

Answer by darq(90) About Me  (Show Source):
You can put this solution on YOUR website!
2x - y = -1
6x + 3y = 0
6x%2B3Y=0
2x%2BY=0
2x=-Y
PUT -Y FOR 2X IN THE FIRST EQUATION
2X-Y=-1
-Y-Y=-1
Y=1%2F2
Y EQUALS -2X SO X IS
X IS -1%2F4