Mathematics College

If 7 is lessened by 2 of a number, the result is the same as 3 subtracting of the number from 10. Write an equation to represent this situation. Use 'x' as the variable. ​

Answers

Answer 1

An equation to represent this situation x is 37/12. The components of a whole or group of items are represented by fractions.

What is fraction?The components of a whole or group of items are represented by fractions. A fraction consists of two components. The numerator is the figure at the top of the line. An element of a whole is a fraction. The number is represented mathematically as a quotient, where the numerator and denominator are split. Both are integers in a simple fraction. In a complex fraction, a fraction can be found in either the numerator or the denominator. A suitable fraction has a numerator that is less than its denominator.Any number of equal parts is represented by a fraction, which also represents a portion of a whole.

Here 7 is lessoned by 2 of a number.

Consider x be the number.

we get 2x - 7

the result is same as 3 subtracting of the number from 10.

therefore, we get 10 ( 3 - x )

from this two equations we get,

⇒ 2x - 7 = 10 ( 3 - x )

⇒ 2x - 7 = 30 - 10x

Simplifying we get,

⇒ -37 = - 12x

⇒ x = 37/12

Therefore, An equation to represent this situation x is 37/12.

To learn more about fraction refer to;

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Related Questions

Helen had $330 in her savings account when Vince
opened a savings account with zero
dollars.
Helen deposited $30
into her account each week for x week;
Vince deposited $50 into his account
each week for x weeks.
The accounts did not earn
interest.
Which inequality represents this situation when the amount of money in Helen's account wa
greater than the amount of money in Vince's account?

Answers

Answer:

Step-by-step explanation:

50x < 330 + 30x

Q12) 150 Chinese Yuan is about $21 US dollars. How much (in US dollars) will an item cost in 700 Chinese Yuan?​

Answers

Answer:

Step-by-step explanation:

Set up the equation:

21/150=x/700

Cross multiply 150*x and 21*700

14700=150x

Divide each side by 150

98=x

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