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Chapter 1: Q80. (page 27)

Simplify each expression.

42a+5b-34b-a

Short Answer

Expert verified

The required answer is 11a+8b.

Step by step solution

01

Step 1- Observe the provided expression

The provided expression contain some terms which are having the same variable but to combine them the simplification of the terms is required.

02

– Simplify the terms 

Use distributive property ab+c=ab+acfor the expression.

8a+20b-12b+3a

03

– Combine the like terms 

Perform combination of terms that are having the same variables.

11a+8b

04

Step 4- Make the conclusion

As nothing can be done further with the expression so obtained expression is the required expression.

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