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| 1. |
5^x-3(2x-3) =625 |
| Answer» 625=5*5*5*5→625=5^4Hence =5^x-3(2x-3)=625→5^x-3(2x-3)=5⁴ (equal base will get canceld we will remaining with powers only)→x-3(2x-3)=4 →x-6x+9=4→-5x=4-9→-5x=-5→x=-5/-5→→x=1Therefore the required value of x is 1 | |