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Chapter 1: Q 1054. (page 193)

In the following exercises, evaluate each expression.

When c=-9, evaluate:

ac+-4b-c+-4

Short Answer

Expert verified

Part (a)-13

Part (b)5

Step by step solution

01

Part (a) Step 1. Given information.

The given variable is:

c=-9

We have to evaluate the expression c+-4 for the given value of c.

To evaluate an expression means to find the value of the expression when the variable is replaced by a given number.

02

Part (a) step 2. Evaluate the expression c+-4  for  c=-9.

c+-4

substitute the value of the given variable c,

-9-4

Simplify,

-13

03

Part (b) step 1. Evaluate the expression -c+-4  for  c=-9.

-c+-4

substitute the value of the given variable c,

--9+-4=9-4

Simplify,

5

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