| 1 | 1 | ||
*5x + | *5x = 26 | ||
| 5 | 25 |
| 1 | 1 | ||
*5x+ | *5x=26 | ||
| 5 | 25 |
| 1 | 1 | |||
5x( | + | )=26 | ||
| 5 | 25 |
| 325 | ||
5x= | ||
| 3 |
| 325 | ||
log5x=log( | ) | |
| 3 |
| 325 | ||
x*log5=log( | ) | |
| 3 |
| log(3253) | 310 | |||
x= | =log | |||
| log5 | 3 |
?
| 1 | 1 | |||
5x* ( | + | ) = 26 | ||
| 5 | 25 |
| 5 | 1 | |||
5x* ( | + | ) = 26 | ||
| 25 | 25 |
| 6 | ||
5x* | = 26 | |
| 25 |
| 26*25 | ||
5x = | ||
| 6 |
| 325 | ||
5x = | ||
| 3 |
| 325 | ||
log5(5x) = log5( | ) | |
| 3 |
| 325 | ||
x*log5(5) = log5( | ) | |
| 3 |
| 325 | ||
x = log5( | ) | |
| 3 |