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use cramer's rule to solve this equation x+y=4, y+z=0, z+w=-2, w-x=2

0 votes

FInd x, y, z, and w

asked Nov 21, 2013 in ALGEBRA 2 by angel12 Scholar

1 Answer

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Given equations are x+y = 4 ---> (1)

y+z = 0 ----> (2)

z+w = -2 ----> (3)

w-x = 2 ----->(4)

To solve the equations use cramers rule AX = B

A is cooefficient matrix, X is variable matrix and B is constant matrix.

Now convert the equatons in to matrix form.

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Solution x = 0, y = 4, z = -4, w = 2.

answered Feb 4, 2014 by david Expert

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