Advertisements
Advertisements
प्रश्न
Simplify the expression and find the value if x is equal to 2:
3 (x + 2) + 5x - 7
योग
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
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
If m = 2, find the value of m − 2.
If p = −2, find the value of 4p + 7.
Simplify the expression and find the value if x is equal to 2:
4 (2x - 1) + 3x + 11
What should be the value of a if the value of 2x2 + x − a equals to 5, when x = 0?
If a = – 10, evaluate:
a2
If m = – 7, evaluate:
12m
If a = 5 and b = 6, evaluate:
3ab
If y = 5 and z = 2, evaluate:
100yz
If x = 2 and y = 10, evaluate:
50xy2
If x = − 6, evaluate:
`"x"^2/2`
