Solve for x, y, z
z=5
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x=7-\frac{5}{2}
Consider the first equation. Subtract \frac{5}{2} from both sides.
x=\frac{9}{2}
Subtract \frac{5}{2} from 7 to get \frac{9}{2}.
x=\frac{9}{2} y=5 z=5
The system is now solved.
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