1.1.4 Solving equations involving brackets

Solve the equation 2(x + 3) = 8

3
1
7
-1

Solve the equation 3(2x – 1) =-21

-3
-25/2
4
-8

Solve the equation -2(2x – 3) = 14

19/2
5
-2
11

Solve the equation -(3 – 4x) = -1

1/2
-1/2
1
-1

Solve the equation 4(3 + 2x) = -20

-15
-1
-9/2
-4

Solve the equation -2(5 – 2a)=-12

9/2
-1/2
1/2
5/2

Solve the equation -3(2 + x)=0

-2
1
5
0

Solve the equation 3(2x – 1) = 27

25/2
5
4
13

Solve the equation 4(1 – 2x) = -8

5/2
3/2
11/2
1/2

Solve the equation – (2 -3x) = -8

2
4/3
-10/3
-2

The length of a rectangle is (3x – 2) cm and its width is 4 cm. Given the area of the rectangle is 76 cm², find the value of x.

12
82/7
13/2
7

A book costs (3x – 2) rupees. Rita buys 5 of the books and pays Rs 350 for the 5 books. Find the cost of each book.

Rs 24
Rs 45
Rs 70
Rs 72