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Solve the following linear system by elimination: 4x + 3y = 12 and 4x - y = 4 |
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Answer» Answer: 4x + 3y=12 and 4x - y =4 Step-by-step EXPLANATION: SUBTRACTING both equations we get 4x-3y -4x +y = 12- 4 -2y = 8 y = -4 and 4x + 3×(-4) = 12 4x - 12 =12 4x = 24 x = 6 |
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