X | ÷ | 3120 | = | X | + | 9 | ÷ | 4200 |
Right side of the equation = | X | + | 3 1400 |
1 3120 | X | = | X | + | 3 1400 |
1 3120 | X | − | X | = | 3 1400 |
- | 3119 3120 | X | = | 3 1400 |
- | 3 1400 | = | 3119 3120 | X |
3119 3120 | X | = | - | 3 1400 |
X | = | - | 3 1400 | ÷ | 3119 3120 |
= | - | 3 1400 | × | 3120 3119 |
= | - | 3 35 | × | 78 3119 |
X | = | - | 234 109165 |
X | = | - 0.002144 |