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frutty [35]
3 years ago
9

Five times the difference of twice a number and twelve is negative twenty. Find the number. I need help with this guys please so

meone help
Mathematics
1 answer:
Lilit [14]3 years ago
7 0

Answer:

The number is 4.

Step-by-step explanation:

The difference of twice a number and 12 is 2x - 12.

Multiplying by 5 gives 5(2x - 12)

So 5(2x - 12) = -20

Solving for x

10x - 60 = -20

10x  = -20 + 60 = 40

x = 40/10

x = 4.

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A certain television is advertised as a 55-inch TV (the diagonal length). If the width of the TV is 42 inches, how many inches t
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Answer:

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Step-by-step explanation:

Given data

diagonal of the TV d= 55in

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substitute

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Hence the Heigth is 69.20in

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