Solve for x, y, z, a
a=6
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z=3+3\times 1
Consider the third equation. Insert the known values of variables into the equation.
z=3+3
Multiply 3 and 1 to get 3.
z=6
Add 3 and 3 to get 6.
a=6
Consider the fourth equation. Insert the known values of variables into the equation.
x=3 y=1 z=6 a=6
The system is now solved.
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