Solve for z, a, b
b=2
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4z=1-5
Consider the first equation. Subtract 5 from both sides.
4z=-4
Subtract 5 from 1 to get -4.
z=\frac{-4}{4}
Divide both sides by 4.
z=-1
Divide -4 by 4 to get -1.
z=-1 a=2 b=2
The system is now solved.
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