मराठी
सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Solve the Following Equation: 4 = X - 2.5 - Mathematics

Advertisements
Advertisements

प्रश्न

Solve the following equation:

4 = x - 2.5

बेरीज

उत्तर

4 = x - 2.5

⇒4 + 2.5 = x

⇒ 6.5 = x

∴ x = 6.5

shaalaa.com
Simple Linear Equations in One Variable
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 12: Simple Linear Equations (Including Word Problems) - Exercise 12 (A)

APPEARS IN

सेलिना Concise Mathematics [English] Class 7 ICSE
पाठ 12 Simple Linear Equations (Including Word Problems)
Exercise 12 (A) | Q 19

संबंधित प्रश्‍न

8y – 4y = 20


24 = y + 2y + 3 + 4y


21 – 3 (b - 7) = b+ 20


Solve: `("x + 1")/3 + ("x + 4")/5 = ("x - 4")/7`


Find a number whose one-third part exceeds its one-fifth part by 20.


A number is as much greater than 35 as is less than 53. Find the number.


The sum of three consecutive even numbers is 54. Find the numbers.


If 5 is subtracted from three times a number, the result is 16. Find the number.


Solve the following equations for the unknown: 15y - 20 = 2y + 6


Solve the following equation for the unknown: `-(3.4"m")/(2.7) = (10.2)/(9)`


Solve the following equations for the unknown: `(3)/(x + 1) - (x - 6)/(x^2 - 1) = (12)/(x - 1)`


Solve the following equations for the unknown: `2(1)/(5) - (x - 2)/(3) = (x - 1)/(3)`


Solve the following equations: a(x - b) -x (x - 2b) = x + 5(x - b)


Solve the following equations: 8x + a(x - b) = 10(ax - b)


The perimeter of a rectangular field is 80 m. If the breadth is increased by 2 m and the length is decreased by 2 m, the area of the field increases by 36 m2. Find the length and the breadth of the field.


A's age is six times that of B's age. 15 years hence A will be three times as old as B; find their ages.


The present age of a man is double the age of his son. After 8 years, the ratio of their ages will be 7:4. Find the present ages of the man and his son.


5 years ago, the age of a man was 7 times the age of his son. The age of the man will be 3 times the age of his son in 5 years from now. How old are the man and his son now?


A man is double his son's age. Twenty years ago, he was six times his son's age. Find the present age of the father and the son.


A 12 liter solution is `33(1)/(3)`% acid. How much water must be added to get the solution having 20% acid?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×