how do I solve: -3x-2y+4z=-15, 2x+5y-3z=3, 4x-y+7z

Solve systems of linear equations in three variables by the elimination method

-3x-2y+4z=-15

2x+5y-3z=3

4x-y+7z=15
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1 Answer

extract the value of y from 3rd equition and put it in 1 and 2nd equition and solve them you get the values of x and z
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