Solve for y, x, z, a
a=10
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z=1+9
Consider the third equation. Insert the known values of variables into the equation.
z=10
Add 1 and 9 to get 10.
a=10
Consider the fourth equation. Insert the known values of variables into the equation.
y=1 x=9 z=10 a=10
The system is now solved.
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