Solve for x, y, z
z=6
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\frac{1}{2}x=-4+7
Consider the first equation. Add 7 to both sides.
\frac{1}{2}x=3
Add -4 and 7 to get 3.
x=3\times 2
Multiply both sides by 2, the reciprocal of \frac{1}{2}.
x=6
Multiply 3 and 2 to get 6.
x=6 y=6 z=6
The system is now solved.
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