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Vitek1552 [10]
2 years ago
7

Solve for x 7(x - 3) = 4(x + 5)

Mathematics
2 answers:
Advocard [28]2 years ago
7 0

Answer:

13 2/3

Step-by-step explanation:

AleksAgata [21]2 years ago
3 0
1: expand the bracket by multiplying the 7(x-3) and 4(x+5)
2:take away the smallest x, which is 4x
then you’re left with
3x-21=20
3: add the -21 to the other side of = sign
you’re left with 3x=41
4: divide by 3
5: x=13.6667
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Mike is working on solving the exponential equation 37^x = 12; however, he is not quite sure where to start.
Rainbow [258]

The solution of the given exponential equation is 0.688.

Given that Mike is working on solving the exponential equation 37ˣ = 12.

An exponential equation is an exponential equation where the power (or)  part of the exponent is a variable.

firstly, we have to slve this equation is by converting it to logarithmic form. Any exponential equation can be transformed into an equivalent logarithmic equation as follows:

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Now, we will apply this transformation to our equation and we get

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Further, we will apply the change of base formula so that solution is written in terms of base 10 logs:

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astraxan [27]

Answer:

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Step-by-step explanation:

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