Solve for x, y, z
z=-2
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2x-8=0
Consider the first equation. Combine 4x and -2x to get 2x.
2x=8
Add 8 to both sides. Anything plus zero gives itself.
x=\frac{8}{2}
Divide both sides by 2.
x=4
Divide 8 by 2 to get 4.
x=4 y=-2 z=-2
The system is now solved.
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