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DIA [1.3K]
3 years ago
11

What does x = ? please please help

Mathematics
2 answers:
svetoff [14.1K]3 years ago
6 0

Question

what does x = ?

please please help

5x(2x+20)= 90

10x=90-20

10x=70

x=70/10

x=7

plz give brainliest +thanks

Monica [59]3 years ago
3 0

Answer:

10°

Step-by-step explanation:

5x + 2x + 20° = 90° { Being complementary angles }

7x = 90° - 20°

7x = 70°

x = 70° / 7

x = 10°

Hope it will help :)❤

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