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astra-53 [7]
3 years ago
11

5(2n - 4) = 9(n + 2)​

Mathematics
1 answer:
Wewaii [24]3 years ago
8 0
1. Distribute
5(2n-4)
10n-20

9(n+2)
9n+18

10n-20=9n+18

2. Combine like terms
combine the terms with “n”, and then combine the other numbers.

Hope this helps!
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Quadrilateral ABCD​ is inscribed in this circle.
Svetllana [295]

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132°

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\implies \: x \degree + (3x - 12) \degree = 180 \degree \\  \\ \implies \: (4x - 12) \degree = 180 \degree \\  \\  \implies \: 4x - 12  = 180  \\  \\ \implies \: 4x   = 180  + 12 \\  \\ \implies \: 4x   = 192 \\  \\ \implies \: x   =  \frac{192}{4}  \\  \\ \implies \: x   = 48\\\\

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5 0
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sleet_krkn [62]

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I made three shapes 2 rectangle and 1 triangle

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