Advertisements
Advertisements
प्रश्न
Simplify the expression and find the value if x is equal to 2:
3 (x + 2) + 5x - 7
बेरीज
Advertisements
उत्तर
3 (x + 2) + 5x - 7
= 3x + 6 + 5x - 7
= 3x + 5x + 6 - 7
= 8x - 1
Putting x = 2 we get,
= (8 × 2) - 1
= 16 - 1
= 15
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
When a = 0, b = −1, find the value of the given expression:
2a2 b + 2ab2 + ab
Simplify the expression and find the value if x is equal to 2:
x + 7 + 4 (x - 5)
Simplify the expression and find the value if x is equal to 2.
6x + 5 (x − 2)
If x = 4, evaluate:
5x2 + 4x
If x = – 6, evaluate:
11x
If a = 5 and b = 6, evaluate:
2b2
If a = − 10, evaluate:
`1/5xx"a"^2`
If x = − 6, evaluate:
`"x"^2/2`
If y = − 8, evaluate:
`"y"^3/4`
If m = 9 and n = − 2, evaluate 2m2n
