SOLUTION: sOLVE THE SYSTEM OF EQUATIONS BY THE ADDITION METHOD x-7y=-42 3x-6y=-36

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Question 34765This question is from textbook Prealgebra & Introductory Algebra
: sOLVE THE SYSTEM OF EQUATIONS BY THE ADDITION METHOD

x-7y=-42
3x-6y=-36 This question is from textbook Prealgebra & Introductory Algebra

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
X-7Y=-42
3X-6Y=-36 MULTIPLYING THE FIRST EQUATION BY -3 WE GET
-3X+21Y=126
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15Y=90 OR Y=6 THEN X=-42+7*6 OR X=-42+42 OR X=0