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Daniel [21]
3 years ago
13

Five times the difference of twice a number and seven is negative twenty-five. Find the number.

Mathematics
1 answer:
Sati [7]3 years ago
4 0

The number is 1

Step-by-step explanation:

Let x be the required number

Then according to given statement

Five times the difference of twice a number and seven is negative twenty-five.

5(2x-7) = -25

Simplifying

10x-35 = -25\\

Adding 35 on both sides

10x-35+35 = -25+35\\10x = 10

Dividing both sides by 10

\frac{10x}{10} = \frac{10}{10}\\x = 1

Verification:

5[2(1)-7] = -25\\5(2-7) = -25\\5(-5) = -25\\-25=-25

Hence,

1 is the number

Keywords: Linear equation

Learn more about linear equation at:

  • brainly.com/question/4706270
  • brainly.com/question/4710621

#LearnwithBrainly

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