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Chapter 3: Q59. (page 135)

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

-x+4y-2z

Short Answer

Expert verified

The value of the expression -x+4y-2zis 16.

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 is-x+4y-2z and the values of the variables arex=-2,y=6,z=5.

03

Step-3 –Simplifying the expression

-x+4y-2z=-(-2)+4(6)-2(5)=2+24-10=26-10=16.

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