Solve for x, y, z
z=0
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0+x=200
Consider the first equation. Multiply 0 and 7 to get 0.
x=200
Anything plus zero gives itself.
y=200\times 0
Consider the second equation. Insert the known values of variables into the equation.
y=0
Multiply 200 and 0 to get 0.
z=0
Consider the third equation. Insert the known values of variables into the equation.
x=200 y=0 z=0
The system is now solved.
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