SOLUTION: solve using elimination method 7x +6y=-7 x-18y=-133

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Question 879179: solve using elimination method
7x +6y=-7
x-18y=-133
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

7x +6y=-7  (times 3. then ADD EQs)

x-18y=-133

 22x = -154

   x = -7   and y = 7  7%2A%28-7%29+%2B+6y+=+-7

checking...

-7 - 18(7) = -133