SOLUTION: In the following equation, why multiply by -2 to solve the system for the y-value here on the first equation?
X+2y=7
2x+2y=13
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-> SOLUTION: In the following equation, why multiply by -2 to solve the system for the y-value here on the first equation?
X+2y=7
2x+2y=13
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Question 1065445: In the following equation, why multiply by -2 to solve the system for the y-value here on the first equation?
X+2y=7
2x+2y=13 Found 2 solutions by Alan3354, ikleyn:Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! In the following equation, why multiply by -2 to solve the system for the y-value here on the first equation?
X+2y=7
2x+2y=13
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I see no reason to do that.
