Solve for x, y, z, a
a=3
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y=\sqrt{9}
Consider the second equation. Insert the known values of variables into the equation.
y=3
Calculate the square root of 9 and get 3.
z=3
Consider the third equation. Insert the known values of variables into the equation.
a=3
Consider the fourth equation. Insert the known values of variables into the equation.
x=9 y=3 z=3 a=3
The system is now solved.
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