736 | = | 94 5 | x | + | ( | 28 | - | x | ) | × | 136 5 |
方程右边 = | 94 5 | x | + | 28 | × | 136 5 | - | x | × | 136 5 |
= | 94 5 | x | + | 3808 5 | - | x | × | 136 5 |
= | - | 42 5 | x | + | 3808 5 |
736 | = | - | 42 5 | x | + | 3808 5 |
42 5 | x | = | 3808 5 | - | 736 |
42 5 | x | = | 128 5 |
x | = | 128 5 | ÷ | 42 5 |
= | 128 5 | × | 5 42 |
= | 64 | × | 1 21 |
x | = | 64 21 |
x | = | 3.047619 |