Solve for P, L, W
P=60
L=8
W=22
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P=2\times 8+2\times 22
Consider the first equation. Insert the known values of variables into the equation.
P=16+44
Do the multiplications.
P=60
Add 16 and 44 to get 60.
P=60 L=8 W=22
The system is now solved.
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