Solve for A, b, h
A=21
b=7
h=6
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A=\frac{1}{2}\times 7\times 6
Consider the first equation. Insert the known values of variables into the equation.
A=\frac{7}{2}\times 6
Multiply \frac{1}{2} and 7 to get \frac{7}{2}.
A=21
Multiply \frac{7}{2} and 6 to get 21.
A=21 b=7 h=6
The system is now solved.
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