हिंदी
तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ७

If x = 2 and y = 3, then find the value of the following expressions x + y - Mathematics

Advertisements
Advertisements

प्रश्न

If x = 2 and y = 3, then find the value of the following expressions

x + y

योग
Advertisements

उत्तर

Given: x = 2, y = 3

x + y = 2 + 3

= 5

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 3: Algebra - Exercise 3.1 [पृष्ठ ५८]

APPEARS IN

सामाचीर कलवी Mathematics - Term 1 [English] Class 7 TN Board
अध्याय 3 Algebra
Exercise 3.1 | Q 6. (ii) | पृष्ठ ५८

संबंधित प्रश्न

Factorize `5sqrt5x^2 + 20x + 3sqrt5`


Factorize the following expressions:

`x^3/216 - 8y^3`

 


8x3 + 27y3 - 216z3 + 108xyz


`3sqrt3a^3 - b^3 - 5sqrt5c^3 - 3sqrt15abc`


If \[x^2 + \frac{1}{x^2} = 18,\]  find the values of \[x + \frac{1}{x} \text { and } x - \frac{1}{x} .\]


If x + y = 4 and xy = 2, find the value of x2 + y2


What must be added to the following expression to make it a whole square? 

4x2 − 12x + 7


Write the value of \[\left( \frac{1}{2} \right)^3 + \left( \frac{1}{3} \right)^3 - \left( \frac{5}{6} \right)^3 .\]


The expression (a − b)3 + (− c)3 + (c −a)3 can be factorized as


Evaluate: (3x - 1)(4x3 - 2x2 + 6x - 3) 


Divide: m2 − 2mn + n2 by m − n


Divide: 6x2 + 5x - 6 by 2x + 3


Find the average (A) of four quantities p, q, r and s. If A = 6, p = 3, q = 5 and r = 7; find the value of s.


The solution of the equation `"3x" - 1/2 = 5/2 + "x"` is ______.


If x = 2 and y = 3, then find the value of the following expressions

4y – x


The figure shows the dimensions of a wall having a window and a door of a room. Write an algebraic expression for the area of the wall to be painted.


Sonu and Raj have to collect different kinds of leaves for science project. They go to a park where Sonu collects 12 leaves and Raj collects x leaves. After some time Sonu loses 3 leaves and Raj collects 2x leaves. Write an algebraic expression to find the total number of leaves collected by both of them.


A school has a rectangular playground with length x and breadth y and a square lawn with side x as shown in the figure given below. What is the total perimeter of both of them combined together?


Express the following properties with variables x, y and z.

Associative property of addition


Express the following properties with variables x, y and z.

Associative property of multiplication


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×