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What is the exact value of x in the exponential equation 15.5 + e10x = 85.5?

What is the exact value of x in the exponential equation 15.5 + e10x = 85.5?
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What is the exact value of x in the exponential equation 15.5 + e10x = 85.5?

User Carnegie
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hello :
15.5 + e10x = 85.5
e10x = 85.5 - 15.5
e10x = 70
10x = ln(70)
x = ln70/10
x = 0.424
User SuperDougDougy
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