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Marina86 [1]
1 year ago
8

4x + 7 = 23slove this

Mathematics
1 answer:
Juli2301 [7.4K]1 year ago
4 0

Given:

4x + 7 = 23

Let's solve for x.

First Step:

Subtract 7 from both sides

4x + 7 - 7 = 23 - 7

4x = 16

Next Step:

DIvide both sides by 4

\begin{gathered} \frac{4x}{4}=\frac{16}{4} \\  \\ x\text{ = 4} \end{gathered}

ANSWER:

x = 4

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Natalie earned $200 in interest and 30 months with a beginning balance of $1040. What was her interest rate?
rjkz [21]

The interest rate is 7.69%

Step-by-step explanation:

Given

Interest = $200

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Putting the values

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Converting into percentage:

r = 7.6923

Rounding off to nearest hundredth

r = 7.69%

Hence,

The interest rate is 7.69%

Keywords: Interest, percentage

Learn more about interest at:

  • brainly.com/question/899976
  • brainly.com/question/884169

#LearnwithBrainly

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