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Stells [14]
2 years ago
8

Help me solve for x ?

Mathematics
2 answers:
Crazy boy [7]2 years ago
7 0
The answer would be x=12

Marianna [84]2 years ago
6 0

Answer:

x = 12

Step-by-step explanation:

(4x - 5)  \degree +(3x + 11) \degree  = 90\degree \\(complementary \:  \angle s)  \\  \\ (4x - 5 + 3x + 11)\degree  = 90\degree  \\  \\  (7x  + 6)\degree  = 90\degree  \\  \\ 7x + 6 = 90 \\  \\ 7x = 90 - 6 \\ 7x = 84 \\  \\ x =  \frac{84}{7}  \\  \\ x = 12

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