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Dahasolnce [82]
3 years ago
11

Solve for y: 3x + 2y = 5y + 9​

Mathematics
2 answers:
Dmitry_Shevchenko [17]3 years ago
6 0

Answer:

y = x - 3

Step-by-step explanation:

First you want to combine like terms (so get x on one side and y on the other).

2y = 5y + 9 - 3x

-3y = -3x + 9

Then just solve for y by dividing by -3

y = (-3x + 9)/-3

y = x - 3

Fittoniya [83]3 years ago
6 0
Not quite sure but pretty sure it’s that’s it’s that it is the answer 3
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Answer:

x = 25 degrees

Step-by-step explanation:

So we know that the 4x, 2x + 10°, and x - 5° and the measures of the three interior angles of the triangle. The sum of the interior angles of a triangle is 180°.

Using this, we can conclude that the sum of 4x, 2x + 10°, and x - 5° is equal to 180°.

We can write this information as the equation:

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We can use this equation to find the value of x. To find the value of x by using the equation, we need to solve for x (put the equation into the form x = _).

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4x + (2x + 10) + (x - 5) = 180

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Combine like terms.

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x = 25 degrees

I hope you find this helpful. :)

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