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irina1246 [14]
3 years ago
7

What’s the value of x

Mathematics
2 answers:
shepuryov [24]3 years ago
6 0

Answer:

12

Step-by-step explanation:

These angles are exterior alternate , and thus equal

4x + 16 = 7x - 20

3x = 36

x = 12

snow_lady [41]3 years ago
3 0

Answer:

x = 12

See picture for explanation and steps

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3x+2y= -19 solve by elimination of addition<br> -3x-5y= 25
tensa zangetsu [6.8K]

Answer:

x=-5, y=-2

Step-by-step explanation:

3x+2y= -19  

-3x-5y= 25

Add the two equations together

3x+2y= -19  

-3x-5y= 25

------------------

0x -3y = 6

Divide each side by -3

-3y/-3 = 6/-3

y = -2

Now find x

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3x +2(-2) =-19

3x-4 = -19

Add 4 to each side

3x -4+4 = -19+4

3x= -15

divide by 3

3x/3 = -15/3

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Answer:

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Answer and Explanation: 35 rounded to the nearest 100 is 0. To round to the nearest hundred, you need to first identify the hundreds that are closest to the number you are rounding. For 35, the closest hundred that is lower than 35 is 0, and the closest 100 that is higher than 35 is 100.

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