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muminat
3 years ago
11

. Solve for x, (4x + 21) (13x - 15)° Plsss

Mathematics
1 answer:
UNO [17]3 years ago
8 0

Answer:

4

Step-by-step explanation:

use midpoint theorem that also said that the lines are parallel so those angles are same side corresponding angles that are congruent

4x +21 = 13x -15

4x -13x = -15 -21; subtract 13x and 21 from both sides

-9x = -36; divide by -9

x= 4

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