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Solve the system of linear equations by using elimination: 2x + 3y = 7 x - 3y = 8 2x + 3y = 7 x - 3y = 8 add the 2 equations and you will eliminate the y...then you can solve for x, then sub. x into 1 of the equation to get y value.
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You add the two equations... IE, add the left-sides and the right sides.
Well, on the left side, you have 2x + 3y and x - 3y Add those up, and that's the left side of your new equation. On the right side, you add up 7 and 8
No.... |dw:1362171886799:dw|
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