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If k + 7 = 10, find the value of 9k – 50.
Write the following statements in the form of equations.
(a) The sum of four times a number and 5 gives a number five times of it.
(b) One-fourth of a number is 2 more than 5.
Convert the following equations in statement form:
(a) 5x = 20
(b) 3y + 7 = 1
The present age of a son is half the present age of his father. Ten years ago, the father was thrice as old as his son. What are their present age?
The sum of three consecutive multiples of 2 is 18. Find the numbers.
If one-third of a number exceeds its one-fourth by 1, find the number.
If 5 is added to twice a number, the result is 29. Find the number.
Seven times a number is 12 less than thirteen times the same number. Find the number.
Write the following statements in the form of equations.
(a) The sum of four times a number and 5 gives a number five times of it.
(b) One-fourth of a number is 2 more than 5.
Each of the 2 equal sides of an isosceles triangle is twice as large as the third side. If the perimeter of the triangle is 30 cm, find the length of each side of the triangle.
A man travelled two-fifth of his journey by train, one-third by bus, one-fourth by car and the remaining 3 km on foot. What is the length of his total journey?
Solve the following equations and check the answers.
(a) 5z+1/3 = 7
(b) 5x/3 + 3 = x + 7
Solve the following equations:
3(y – 2) = 2(y – 1) – 3
Convert the following equations in statement form:
(a) 5x = 20
(b) 3y + 7 = 1
The length of a rectangle is twice its breadth. If its perimeter is 60 cm, find the length and the breadth of the rectangle.
If k + 7 = 10, find the value of 9k – 50.