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lyudmila [28]
2 years ago
10

John writes the proof below to show that the sum of the angles in a triangle is equal to 180º.

Mathematics
1 answer:
GREYUIT [131]2 years ago
4 0

Answer:

When two parallel lines are cut by a transversal, the resulting alternate exterior angles are congruent.

Step-by-step explanation:

i did it

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2 - 3d = 4d - 19<br><br>Answer and show steps​
defon

2 - 3d = 4d - 19

Add the opposite to both sides to get the variable on the left side only.

2 - 3d = 4d - 19

   -4d    -4d

2 - 7d = - 19

Then get the terms w/o variables on the right,

2 - 7d = - 19

-2            -2

-7d = -21

Then divide by the number paired with the variable.

--7d = -21

-----    -----   ;   d = 3

-7       -7

Final answer = 3

Hope I helped :)

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Answer:

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Step-by-step explanation:

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The answer is y=3x-4
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Find the measure of 7
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