200 | ( | x | + | 2 | ) | = | 150 | x | × | 2 |
Left side of the equation = | 200 | x | + | 200 | × | 2 |
= | 200 | x | + | 400 |
200 | x | + | 400 | = | 150 | x | × | 2 |
Right side of the equation = | 300 | x |
200 | x | + | 400 | = | 300 | x |
200 | x | − | 300 | x | = | - | 400 |
- | 100 | x | = | - | 400 |
400 | = | 100 | x |
100 | x | = | 400 |
x | = | 400 | ÷ | 100 |
= | 400 | × | 1 100 |
= | 4 | × | 1 |
x | = | 4 |