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Chapter 3: Q61. (page 135)

Evaluate each expression if x=-2,y=6,and z=5.

61. 3x-y+4z

Short Answer

Expert verified

The value of the expression 3x-y+4zis 8

Step by step solution

01

Step-1 –Concept of evaluating the expression

The value of the variable in the expression can be calculated by putting the value of variable in the expression.

02

Step-2 –Identifying the conditions

The given expression is3x-y+4z.and the values of the variables are, x=-2,y=6,z=5.

03

Step-3 –Simplified the expression

3x-y+4z=3(-2)-(6)+4(5)=-6-6+20=-12+20=8.

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