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Chapter 3: Q58. (page 135)

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

58.2x-y+3z.

Short Answer

Expert verified

The value of 2x-y+3z is 5.

Step by step solution

01

– Use the substitution method to find the value of 2x-y+3z.

Substitute x=-2,y=6and z=5 in 2x-y+3z.

x+y+z=-2+6+5

02

– By applying the order of operations simplify the value of 2x-y+3z

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03

– Conclusion

By substituting the values x=-2,y=6and z=5 in 2x-y+3z, the value of the expression is 5.

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