292 | + | x | = | 87 100 | ( | 356 | + | x | ) |
方程右边 = | 87 100 | × | 356 | + | 87 100 | x |
= | 7743 25 | + | 87 100 | x |
292 | + | x | = | 7743 25 | + | 87 100 | x |
x | − | 87 100 | x | = | 7743 25 | − | 292 |
13 100 | x | = | 7743 25 | − | 292 |
13 100 | x | = | 443 25 |
x | = | 443 25 | ÷ | 13 100 |
= | 443 25 | × | 100 13 |
= | 443 | × | 4 13 |
x | = | 1772 13 |
x | = | 136.307692 |