What is the value of x?
(5y + 10)
(3x + 7)º

Asked 11 months ago
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What is the value of x?
(5y + 10)
(3x + 7)º

2 Answer

2

Answer:

so hard really trust me very hard

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answered 11 months ago
2

Answer:

x = 21

Step-by-step explanation:

(5 y + 10) \degree = y \degree + 90 \degree \\ (vertical \: \angle s) \\  \\ (5 y + 10 - y) \degree = 90 \degree  \\  \\ (4 y + 10 ) \degree = 90 \degree  \\  \\ 4y + 10 = 90 \\  \\ 4y = 90 - 10 \\  \\ 4y = 80 \\  \\ y =  \frac{80}{4}  \\  \\ y = 20 \\  \\ (5 y + 10) \degree  = (5 \times 20 + 10) \degree = 110 \degree \\  \\ (5 y + 10) \degree + (3x + 7) \degree = 180 \degree \\ (linear \: pair \:   \angle s) \\  \\ 110 \degree +  (3x + 7) \degree = 180 \degree \\  \\ (3x + 7) \degree = 180 \degree  - 110 \degree\\  \\  (3x + 7) \degree = 70 \degree \\  \\ 3x + 7 = 70 \\  \\ 3x = 70 - 7 \\  \\ 3x = 63 \\  \\ x =  \frac{63}{3}  \\  \\ x = 21

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Mauricio Cormier
15.5k 3 10 26
answered 11 months ago