Solve for y, z, a
a=4
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y=\frac{3}{2}
Consider the first equation. Multiply \frac{1}{2} and 3 to get \frac{3}{2}.
z=4
Consider the second equation. Add 2 and 2 to get 4.
a=4
Consider the third equation. Insert the known values of variables into the equation.
y=\frac{3}{2} z=4 a=4
The system is now solved.
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