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9^x/2=243
We move all terms to the left:
9^x/2-(243)=0
We multiply all the terms by the denominator
9^x-243*2=0
We add all the numbers together, and all the variables
9^x-486=0
We move all terms containing x to the left, all other terms to the right
9^x=486
x=486/1
x=486
| 9^x/2=243 | | 65=z+31 | | 65=z+31 | | 65=z+31 | | 65=z+31 | | 65=z+31 | | 65=z+31 | | 65=z+31 | | 65=z+31 | | 65=z+31 | | 65=z+31 | | 65=z+31 | | 65=z+31 | | 65=z+31 | | 65=z+31 | | 18=r/6 | | 18=r/6 | | 18=r/6 | | 18=r/6 | | 18=r/6 | | 18=r/6 | | 18=r/6 | | 18=r/6 | | 18=r/6 | | 18=r/6 | | 18=r/6 | | 18=r/6 | | t/25=13 | | 4-4x4=+8 | | 2z+9=146 | | 2z+9=73 | | 2z+9=73 |