Question

Simplify the following.
i. 21 – 12 = 3 x 2​

Answer 1

Answer:

21-12 = 3×2

9 = 6

Hope it helps u mate

Answer 2

Given:

Simplify:- 21-12÷3×2

Solution:

= 21 - 12 ÷ 2 × 2

= 21 - 8

= 13

More info by more Simplify:

Given: 16 + 8 ÷ 4 - 2 × 3

Solution:

= 16 + 2 - 2×3

= 16 + 2 - 6

= 8 - 6

= 12

Given: 13 - (12 - 6 ÷ 3)

Solution:

= 13- (12-12)

= 13- (10)

=13- 10

= 3

Given: [4+ {12-2}]

Solution:

= 19 - [4+ {16-163}

= 19- [4+6]

= 19- 10

= 9

Given: 36 - [ 18 - {14- (15- 4 -2 ×2)3]

Solution:

= 36- [18- {14- (15-2×2)3]

==6 - [18- {14- (15-4) 3]

= 36 [18- {14-11}]

= 36- [18-3]

= 36-15

= 21