| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | = | 8 | × | 2 | p | − | 8 | × | 9 | q | + | 10 | × | 5 | p | − | 10 | × | 2 | q | = | 66 | p | − | 92 | q | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | = | 2 | × | 10 | x | − | 2 | × | 10 | y | − | 2 | × | 7 | x | − | 2 | × | 9 | y | = | 6 | x | − | 38 | y | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | = | 7 | u | − | 7 | × | 6 | v | − | 8 | × | 8 | u | + | 8 | × | 4 | v | = | −57 | u | − | 10 | v | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| (5) | | | | | | | | | | | | | | | | | | | | | | | | | 10 | ( | 9 | u | + | 9 | v | − | 9 | ) | + | 4 | ( | 3 | u | + | 7 | v | + | 2 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | = | 10 | × | 9 | u | + | 10 | × | 9 | v | − | 10 | × | 9 | + | 4 | × | 3 | u | + | 4 | × | 7 | v | + | 4 | × | 2 | = | 102 | u | + | 118 | v | − | 82 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | = | 9 | × | 5 | a | − | 9 | × | 2 | b | + | 7 | × | 6 | a | − | 7 | × | 7 | b | = | 87 | a | − | 67 | b | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| (7) | | | | | | | | | | | | | | | | | | | | | | | | | 2 | ( | 9 | a | + | 8 | b | + | 5 | ) | − | 3 | ( | 10 | a | + | 10 | b | − | 1 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | = | 2 | × | 9 | a | + | 2 | × | 8 | b | + | 2 | × | 5 | − | 3 | × | 10 | a | − | 3 | × | 10 | b | + | 3 | = | −12 | a | − | 14 | b | + | 13 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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