Solve For X Using Cramer'S Rule: 4X+2Y+10Z=75 ; -20X-Y+10Z=-138 ; -16X+Y+20Z=-63?
I believe X is one of the following, please show your work, Thank You!
X=(1/21) Or X=(5/4) Or X=(25/4) Or X=(4/25)
Home › Mathematics › Solve For X Using Cramer'S Rule: 4X+2Y+10Z=75 ; -20X-Y+10Z=-138 ; -16X+Y+20Z=-63?
I believe X is one of the following, please show your work, Thank You!
X=(1/21) Or X=(5/4) Or X=(25/4) Or X=(4/25)
-Anonymous
X=(1/21) Or X=(5/4) Or X=(25/4) Or X=(4/25)
Standard form: 4x+2y+10z=75; -20x-y+10z=-138; -16x+y+20z=-63;
substitute/eliminate x = -1/2y-5/2z+75/4
substitute/eliminate y = -20/3z+79/3
dependent system - infinitely many solutions.
x=+0.833333333333333z+5.58333333333333… y=-6.666666666666667z+26.333333333333332…
-Anonymous
substitute/eliminate x = -1/2y-5/2z+75/4
substitute/eliminate y = -20/3z+79/3
dependent system - infinitely many solutions.
x=+0.833333333333333z+5.58333333333333… y=-6.666666666666667z+26.333333333333332…
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