Question

EXERCISE 6 A
2.
19 + 12 = 6 - 2 x 3
4.
23 + 18 : 6 + 3x (-4)
Simplify:
1. 24 - 20 = 5 x 2
3. 21 - 12 = 4-3 (-7)
5x 30 - {8 = (2 x 3 - 4)}
7. 16 – {9 – 24 = (8 + 6 x 2 - 16)}
9. 4- [16 - {6 + 12 = (9-6)}]
6. 9 - {5 x 3 + 12 x 16 = (-8)
8. 12 - [13 - {9 + 10 = (7-2)}]
10. 28 - [15 - {8 + 20 = (7 - 8-6)}]
please help me in these questions​

Answer 1

Answer:

Solve the following: x – 2= 7

Answer:

Given, x -2 = 7

=> x – 2 + 2= 7 + 2 [Adding 2 both sides]

=> x = 9

Answer 2

Answer:

x=9

Step-by-step explanation:

solve the following:x-2=7

ans: Given,x-2=7

=x-2+2=7 [Adding 2both sides]

=7+2=9

then, x=9