Solve for A, a, b
b=4
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A=9-5
Consider the first equation. Subtract 5 from both sides.
A=4
Subtract 5 from 9 to get 4.
a=4
Consider the second equation. Insert the known values of variables into the equation.
b=4
Consider the third equation. Insert the known values of variables into the equation.
A=4 a=4 b=4
The system is now solved.
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