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Chapter 1: Q50. (page 25)

Solve each equation. Check your solution.

3d+7=6d+5

Short Answer

Expert verified

The required answer is23.

Step by step solution

01

Step 1- Isolate the variable d

Perform subtraction of 7 and 6don both the sides of the equation.

3d+7鈭�7鈭�6d=6d+5鈭�6d鈭�7鈭�3d=鈭�2

Perform division of 3 on both the sides of the equation

鈭�3d3=鈭�23d=23

02

– Check the obtained value 

Substitute the obtained value of d into the original equation and perform simplification for checking.

323+7=?623+52+7=?4+59=9

03

Step 3- Make the conclusion

As the checking results in equal values on both the sides on substation of obtained value which means that obtained value is correct.

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Most popular questions from this chapter

Name the sets of numbers to which each number belongs.

24. -31

Name the property illustrated by each equation.

28. 5a+-5a=0

Find the value of each expression

4.83+6

Name the sets of numbers to which each number belongs.

21. 121

Determine which expression below represents the amount of change someone would receive from a \(50bill if they purchased 2 children鈥檚 ticket at \)4.25each and 3 adult ticket at $7each at a movie theatre. Explain.

a.50鈭�2脳4.25+3脳7b.50鈭�2脳4.25+3脳7c.50鈭�2脳4.25+3脳7d.50鈭�2脳4.25+3脳7
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