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Bezzdna [24]
2 years ago
15

I need help with this!!!!!

Mathematics
1 answer:
irakobra [83]2 years ago
3 0

Answer:

A) 4(7+x)=64

B) 4x+7=64

Step-by-step explanation:

A

4(7+x)=64

*Disturabute 4 to (7+x)*

28+4x=64

*Subtract 28 on both sides*

4x=36

*Divide by 4*

x=9

**If you do a Check it works*

B

4x+7=64

*Subtract 7*

4x=57

*Divide by 4*

x=14.25

**If you do a Check this also works**

Hope This Helps!!!

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Micaela is 2 years older than Sam. In 4 years, the sum of their ages will be 40. How old is Micaela now?
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Answer:

The error is: The solution shows the Sam's age and the problem asked for Micaela's age.

Solution fixed: m=17

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Step-by-step explanation:

The error is: The solution shows the Sam's age and the problem asked for Micaela's age.

To fix the error, you can set up these equations based on the information given:

m=s+2  

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Solve for "s" from the first equation:

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Substitute this equation into the second equation:

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