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Chapter 1: Q. 94 (page 38)

In the following exercise, simplify each expressions.

32-5-15-20

Short Answer

Expert verified

The simplified value is 22.

Step by step solution

01

Step 1. Concept Used.

According to subtraction property, the subtraction of a number is equal to the addition of its opposite. This can be expressed as follows.

a-b=a+-b

02

Step 2. Simplification inside parentheses.

Add the opposite of 20 with 15 inside the parentheses.

32-5-15-20=32-5--5

03

Step 3. Simplification inside brackets.

Add the opposite of the opposite of 5 with 5 inside the brackets.

32-5--5=32-5+5=32-10

04

Step 4. Calculation.

Add the opposite of 10 with 32.

32-10=32-10=22

05

Step 5. Conclusion.

The simplified value of the given expression is 22.

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Most popular questions from this chapter

Translate the English phrase into an algebraic expression:
(a) The sum of 17y2 and 19
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(c) Eleven more than x
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