2x1 X1 3x1 -2x1 ++11 X2 2x2 4x2 X2 3x3 +1 2x3 + 3x3 + +1+ 5x3 + X4 2x4 X4 4X4 = = = -1 7 0 -3

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A: topic - linear equations

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A: a sporting goods store received an order of 64 baseball caps, of which 16 were green. if 1 of the 64…

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