7319 100 | ÷ | x | = | 407 10 | + | x | ÷ | 2 | × | ( | 3139 50 | + | 214 25 | x | ) |
Multiply both sides of the equation by: | x |
7319 100 | = | 407 10 | x | + | x | ÷ | 2 | × | ( | 3139 50 | + | 214 25 | x | ) | x |
7319 100 | = | 407 10 | x | + | x | ÷ | 2 | × | 3139 50 | x | + | x | ÷ | 2 | × | 214 25 | x | x |
7319 100 | = | 407 10 | x | + | x | × | 3139 100 | x | + | x | × | 107 25 | x | x |