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2 years ago

Solve for x (13x + 2) (5x - 7) (3x - 4) Thank you

Mathematics

2 answers:

Law Incorporation [45]2 years ago

5 0

$\huge \bf༆ Answer ༄$

As we know, sum of interior angles of a triangle is 180°

that is ~

$\sf13x + 2 + 5x - 7 + 3x - 4 = 180$

$\sf21x - 9 = 180$

$\sf21x = 180 + 9$

$\sf x = \dfrac{189}{21}$

$\sf x = 9 \degree$

Hence, value of x is 9°

AlexFokin [52]2 years ago

3 0

Answer:

x = 9

Step-by-step explanation:

Sum of interior angles is 180:

(13x + 2) + (5x - 7) + (3x - 4) = 180
21x - 9 = 180
21x = 189
x = 189/21
x = 9

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