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Chapter 2: Q64. (page 93)

Multiple Choice What is the solution of -21=a-47?

F.-68 G. -26 H. 26 I. 68

Short Answer

Expert verified

Solution of given equation is a=26.

Option H

Step by step solution

01

Step-1- Solving for value of a 

-21=a-47

Adding 47on both sides, we get

-21+47=a-47+47a=-21+47a=26

02

Step-2- Simplifying given equation

Substitute a=26in the given equation and simplify.

-21=a-47鈭�21=26鈭�47鈭�21=鈭�21

Since both sides are equal, the solution is correct.

03

Step-3- Conclusion

Therefore, the solution of given equation is a=26.

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Most popular questions from this chapter

ant Pumpkins A giant pumpkin can be difficult to weigh directly on a scale. To estimate the weight, you can first measure the distances a, b, and c (in inches) as shown below. The weight W (in pounds) can then be approximated using the formula W鈥�鈥�=鈥�鈥�1.9鈥�鈥�(鈥�鈥�a+b+c).

a. Use the distributive property to write the given formula without parentheses.

b. For a certain pumpkin, a鈥�鈥�=鈥�鈥�132inches, b鈥�鈥�=鈥�鈥�91inches, and c鈥�鈥�=鈥�鈥�85 inches. Approximate the weight of the pumpkin to the nearest pound

Use the distributive property to write an equivalent variable expression.

8(x+2)

Simplify the expression.

4+x+(-1)

Perform the indicated operation. (pp. 750鈥�752)

8.23鈥�鈥�-鈥�鈥�4.97

Identify the property that the statement illustrates.

n+q=q+n
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