24swimdylanoh
24swimdylanoh 24swimdylanoh
  • 22-10-2018
  • Mathematics
contestada

3^x=9^x+5
^ mean exponint
Please help i dont get it plz tell me how you got it
PLZ PLZ PLZ

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kierstengrieco
kierstengrieco kierstengrieco
  • 22-10-2018
Ok so in order to do these, you need to make the bases the same. Since 3^2 is 9, you can make that side of the equation look like 3^2(x+5). Now, you have 3^x=3^2(x+5). Since the bases are the same, you can drop those. Your equation will now look like x=2(x+5). All that is left to do now is solve. x=2x+10 -> -10=x
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