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25 March, 09:28

5x-9y=-43

3x+8y=68

How do you solve system using elimination

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Answers (1)
  1. 25 March, 09:39
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    X-9y=-43; 3x+8y=68. Solution : {x, y} = {4,7}. System of Linear Equations entered : [1] 5x - 9y = - 43 [2] 3x + 8y = 68. Graphic Representation of the Equations : - 9y + 5x = - 43 8y + 3x = 68. Solve by Substitution : / / Solve equation [2] for the variable y [2] 8y = - 3x + 68 [2] y = - 3x / 8 + 17/2. / / Plug this in for variable y in equation [1]
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