SOLUTION: 6. Solve the following system by addition. If a unique solution does not exist, state whether the system is inconsistent or dependent. x + 5y = 10 -2x – 10y = -20

Algebra ->  Expressions-with-variables -> SOLUTION: 6. Solve the following system by addition. If a unique solution does not exist, state whether the system is inconsistent or dependent. x + 5y = 10 -2x – 10y = -20       Log On


   

Question 38922: 6. Solve the following system by addition. If a unique solution does not exist, state
whether the system is inconsistent or dependent.
x + 5y = 10
-2x – 10y = -20
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
MULTIPLY EQ #1 BY 2 & THEN ADD WE GET
2X+10Y=10
-2X-10Y=-20
--------------
0+0=-10 THUS NO UNIQUE SOLUTION.