Question

SIMPLE EQUATIONS
EXERCISE 4.4
1. Set up equations and solve them to find the unknown numbers in the following cases:
(a) Add 4 to eight times a number; you get 60.
(b) One-fifth of a number minus 4 gives 3.
(c) If I take three-fourths of a number and add 3 to it, I get 21.
(d) When I subtracted 11 from twice a number, the result was 15.
(e) Munna subtracts thrice the number of notebooks he has from 50, he finds the
result to be 8.
(d) Ibenhal thinks of a number. If she adds 19 to it and divides the sum by 5, she
will get 8.
5
(g) Anwar thinks of a number. If he takes away 7 from of the number, the
result is 23.
Solve the following:
(a) The teacher tells the class that the highest marks obtained by a student in
class is twice the lowest marks plus 7. The highest score is 87. What is
lowest score?
(b) In an isosceles triangle, the base angles are equal. The vertex angle is
What are the base angles of the triangle? (Remember, the sum of three ang
a triangle is 180°).
(c) Sachin scored twice as many runs as Rahul. Together, their runs fell two
of a double century. How many runs did each one score?
Solve the following:
(1) Irfan says that he has 7 marbles more than five times the marbles Par
Irfan has 37 marbles. How many marbles does Parmit have?
ii) Laxmi's father is 49 years old. He is 4 years older than three times Lay
wymi's goe?​

Answer 1

Step-by-step explanation:

➡ a)

8x + 4 = 60

8x = 60 -4

8x= 56

x= 56/8

x= 7

Answer of 1st question is 7 answer

Answer 2

Answer:

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