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Reptile [31]
2 years ago
10

The measure of one angle is twelve more than four times a number. The measure of a second angle is twice as large as the first,

and the sum of the two angle measures is 180 degrees. Find the measure of each angle.​
Mathematics
1 answer:
Natali [406]2 years ago
5 0

Answer:

60,120

Step-by-step explanation:

a = 4x + 12 \\ b = 2(4x + 12) \\( 4x + 12) + 2(4x + 12) = 180 \\ 4x + 12 = 180 \div 3 \\ 4x = 48 \\ x = 12 \\  \\ a = 60 \\ b = 120

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If 5(3x-7)=20, then what is 6x-8 ?
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