Solve for x, y, z, a
a=6
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3-2x=\frac{20}{2}
Consider the first equation. Divide both sides by 2.
3-2x=10
Divide 20 by 2 to get 10.
-2x=10-3
Subtract 3 from both sides.
-2x=7
Subtract 3 from 10 to get 7.
x=-\frac{7}{2}
Divide both sides by -2.
x=-\frac{7}{2} y=6 z=6 a=6
The system is now solved.
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