36 | ( | 1 | + | 5 | ÷ | 4 | × | m | ) | + | 20 | ( | 1 | − | m | ) | ( | 1 | + | 3 | ÷ | 2 | × | m | ) | = | 56 | ( | 1 | + | 13 | ÷ | 14 | × | m | ) |
Left side of the equation = | 36 | × | 1 | + | 36 | × | 5 | ÷ | 4 | × | m | + | 20 | ( | 1 | − | m | ) | ( | 1 | + | 3 | ÷ | 2 | × | m | ) |
= | 36 | + | 45 | m | + | 20 | ( | 1 | − | m | ) | ( | 1 | + | 3 | ÷ | 2 | × | m | ) |
= | 36 | + | 45 | m | + | 20 | × | 1 | ( | 1 | + | 3 | ÷ | 2 | × | m | ) | − | 20 | m | ( | 1 | + | 3 | ÷ | 2 | × | m | ) |
= | 36 | + | 45 | m | + | 20 | ( | 1 | + | 3 | ÷ | 2 | × | m | ) | − | 20 | m | ( | 1 | + | 3 | ÷ | 2 | × | m | ) |
= | 36 | + | 45 | m | + | 20 | × | 1 | + | 20 | × | 3 | ÷ | 2 | × | m | − | 20 | m | ( | 1 | + | 3 | ÷ | 2 | × | m | ) |
= | 36 | + | 45 | m | + | 20 | + | 30 | m | − | 20 | m | ( | 1 | + | 3 | ÷ | 2 | × | m | ) |
= | 56 | + | 75 | m | − | 20 | m | ( | 1 | + | 3 | ÷ | 2 | × | m | ) |
= | 56 | + | 75 | m | − | 20 | m | × | 1 | − | 20 | m | × | 3 | ÷ | 2 | × | m |
= | 56 | + | 75 | m | − | 20 | m | − | 30 | m | m |
= | 56 | + | 55 | m | − | 30 | m | m |
56 | + | 55 | m | − | 30 | m | m | = | 56 | ( | 1 | + | 13 | ÷ | 14 | × | m | ) |
Right side of the equation = | 56 | × | 1 | + | 56 | × | 13 | ÷ | 14 | × | m |
= | 56 | + | 52 | m |
56 | + | 55 | m | − | 30 | m | m | = | 56 | + | 52 | m |
m2= | 1 10 |