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erastovalidia [21]
4 years ago
12

Solve log(2x+3) = 3

Mathematics
1 answer:
Kisachek [45]4 years ago
8 0
log_a x=z  ⇔  a^z=x

In this case:
log (2x+3)=3  ⇔  10³=2x+3

we have the following equation:
10³=2x+3
1000=2x+3
2x=1000-3
2x=997
x=997/2
x=498.5

Answer:  x=498.5
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Answer:

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Step-by-step explanation:

Assuming the given logarithmic equation is

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We interchange x and y to get:

x=   \log_{2}( {4}{y} - 4)

We solve for y now:

{2}^{x}  =  {4}{y}   - 4

We add 4 to both sides to get;

{2}^{x}  + 4 = 4y

Divide through by 4:

y =  \frac{1}{4}  \times  {2}^{x}  - 1

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3 years ago
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melamori03 [73]

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A card has p meters of lace edging wound on it. Nerys buys n lengths of edging, each x cm long. If Q meters of edging are left o
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