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Chapter 2: Q. 646 (page 299)

In the following exercises, solve each equation.

83a鈭�5鈭�74a鈭�3=20鈭�3a

Short Answer

Expert verified

Thesimplifiedvalueisa=鈭�39

Step by step solution

01

Step 1. Given information

The given equation is 83a鈭�5鈭�74a鈭�3=20鈭�3a

We have to solve the given equation.

02

Step 2. Explanation

Solve:83a鈭�5鈭�74a鈭�3=20鈭�3a鈬�8脳3a鈭�8脳5鈭�7脳4a+7脳3=20鈭�3a(Distribute)鈬�24a鈭�40鈭�28a+21=20鈭�3a(Simplify)鈬�鈭�4a鈭�19=20鈭�3a(Solvesimiliarterms)鈬�鈭�4a+4a鈭�19=20鈭�3a+4a(Add4atobothsides)鈬�鈭�19=20+a(Simplify)鈬�鈭�19鈭�20=20鈭�20+a(Subtract20frombothsides)鈬�鈭�39=a(Simplify)Thesimplifiedvalueisa=鈭�39

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