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Tamiris1511
@Tamiris1511
November 2019
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Qual é a solução da equação exponencial :5x+1+ 5x+ 5X-2=151
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jreisen
Verified answer
5x+5x+5x+1-2=151
15x-1=151
15x=151+1
15x=152
x=152/15
x=10,13
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albertrieben
Boa tarde
5^(x + 1) + 5^x + 5^(x - 2) = 151
5*5^x + 5^x + 5^x/25 = 151
5^x * (5 + 1 + 1/25) = 151
5^x * (151/25) = 151
5^x = 25 = 5^2
x = 2
0 votes
Thanks 1
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Verified answer
5x+5x+5x+1-2=15115x-1=151
15x=151+1
15x=152
x=152/15
x=10,13
5^(x + 1) + 5^x + 5^(x - 2) = 151
5*5^x + 5^x + 5^x/25 = 151
5^x * (5 + 1 + 1/25) = 151
5^x * (151/25) = 151
5^x = 25 = 5^2
x = 2