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Solve the following systems of equations by the method of substitution. 4) X = y +6 2x + y = 0 5) x + 3y

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Solve the following systems of equations by the method of substitution. 4) X = y +6 2x + y = 0 5) x + 3y = 6 2x - 5y = -10 6) x + 2y = 3 4x + 8y = 8 Page 1 of 2 Solve the following systems of equations by the method of addition. 7) X - y = 6 2x + y = 0 8) 6x + 2y =16 3x = -y+8

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