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Chapter 2: Q. 122 (page 229)

In the following exercise, solve each equation requiring simplification.

−15z+9−11=75

Short Answer

Expert verified

On simplifying, we getz=−22115.

Step by step solution

01

Step 1. Given information

Thegivenequationis−15z+9−11=75.Wehavetosimplifythegivenequation.

02

Step 2. Simplify

Now,⇒−15z+9−11=75⇒−15z−135−11=75Simplifyeachside⇒−15z−146=75⇒−15z−146+146=75+146Add146boththesides⇒−15z=221⇒−15z−15=221−15Dividebothsidesby−15⇒z=−22115

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Most popular questions from this chapter

In the following exercise, solve each equation using the Division and Multiplication Properties of Equality and check the solution.

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