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2 votes
Evaluate -x+4x when x=-2

2 Answers

5 votes
The answer is -6. The explanation is shown in the picture.
Evaluate -x+4x when x=-2-example-1
User Jenti Dabhi
by
7.1k points
2 votes

Use the substitution method

-x+4x when x=-2

-(-2)+4(-2) Positive number * ( multiplying)Negative number=Negative number

2-8

=-6

Answer is -6

User Paolo Biavati
by
8.1k points