150000000 | = | 1 | × | 143 10 | × | 1800 | x | ( | 410 | − | 1 | ÷ | 2 | × | x | ) |
Right side of the equation = | 25740 | x | ( | 410 | − | 1 | ÷ | 2 | × | x | ) |
150000000 | = | 25740 | x | ( | 410 | − | 1 | ÷ | 2 | × | x | ) |
Right side of the equation = | 25740 | x | × | 410 | − | 25740 | x | × | 1 | ÷ | 2 | × | x |
= | 10553400 | x | − | 12870 | x | x |
150000000 | = | 10553400 | x | − | 12870 | x | x |