Advertisements
Advertisements
Question
Find the value of the following expression, when x = -1:
-x + 2
Sum
Advertisements
Solution
-x + 2 Putting x = -1 in the given equation
= -(-1) + 2
= 1 + 2
= 3
shaalaa.com
Is there an error in this question or solution?
Chapter 10: Algebraic Expressions - EXERCISE 10.2 [Page 168]
APPEARS IN
RELATED QUESTIONS
Find the value of the following expression, when x = −1:
2x - 7
Simplify this expression and find its value if x = 3, a = −1, b = −2.
3x - 5 - x + 9
Simplify the expression and find its value when a = 5 and b = −3.
2 (a2 + ab) + 3 − ab
If x = – 6, evaluate:
11x
If m = – 7, evaluate:
2m2
If m = – 7, evaluate:
2m3
If a = 5 and b = 6, evaluate:
6a2b
If x = 2 and y = 10, evaluate:
50xy2
If y = − 8, evaluate:
`"y"^3/4`
If m = 9 and n = − 2, evaluate 4mn
