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MariettaO [177]
2 years ago
11

Please help me with this. I need to solve for x. 4ln(7x+3)+12=40

Mathematics
1 answer:
tatiyna2 years ago
7 0

Answer:

x=\frac{e^7-3}{7}

Step-by-step explanation:

4* ln(7x+3) + 12 = 40

4* ln(7x+3) + 12 - 12 = 40 - 12

4* ln(7x+3) = 28

ln(7x+3) = 28/4

ln(7x+3) = 7

e^7 = (7x + 3)

e^7 - 3 = 7x

x=\frac{e^7-3}{7}

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