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iren [92.7K]
3 years ago
12

Solve for x. Or find the value of x

Mathematics
1 answer:
Svetlanka [38]3 years ago
8 0

Answer:

x=8

Step-by-step explanation:

2x+9=3x+1

-3 -3

-9 -9

-1x=-8

divide both side by -1.

x=8

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If mikes salary is $62,500 this year and next year he will get 5.5% increase in salary. How much is his new salary.
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Paul has $30,000 to invest. His intent is to earn 15% interest on his investment. He can invest part of his money at 8% interest
jeka94

Answer:

Amount invested at 8% is $9000 and amount invested at 18% is $21000.

Step-by-step explanation:

Let amount invested at 8% be x.

Let amount invested at 18% be y.

We get the 1st equation as:

x+y=30000       ........(1)

We get the second equation as:

0.08x+0.18(y)=0.15\times30000

=> 0.08x+0.18y=4500

or getting rid of the decimal by multiplying by 100 on both sides.

8x+18y=450000          ........(2)

Multiplying (1) by 8 and subtracting from (2) we get

10y=210000  

So, y = 21000

And x+21000=30000

x = 30000-21000

So, x = 9000

Therefore, amount invested at 8% is $9000 and amount invested at 18% is $21000.

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in a school all students play either football ir volleyball 300 play football 250 play volleyball and 110 play both the game . d
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Step-by-step explanation:

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You have a standard deck of cards. You choose a diamond or an ace.<br><br> Mutually exclusive or Not
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Answer:

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Step-by-step explanation:

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What is the answer for (a^2+12c)÷7b-1
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Answer:

Step-by-step explanation:

Integer roots:

a = 6 n + 1, b = 7, c = -3 n^2 - n, n element Z

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Derivative:

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Indefinite integral:

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