Solve for z, a, b
b=0
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10z=z
Consider the first equation. Multiply both sides of the equation by 2.
10z-z=0
Subtract z from both sides.
9z=0
Combine 10z and -z to get 9z.
z=0
Divide both sides by 9. Zero divided by any non-zero number gives zero.
z=0 a=0 b=0
The system is now solved.
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