Question

Answer no.3 with explanation.​

Answer 1

By using the BODMAS(bracket of division multiplication addition subtraction) formula

3)21-12÷4-3×(-7)

=21-3-3×(-7)

=21-3+21

=39

Hope it is helpful for you.

Good night.

Have a sweet dream.

THANK YOU..

Answer 2

Answer:

21-12÷4-3×(-7)

by following BODMAS rule

first do division;

=>21-3-3×(-7)

then multiplication ;

=>21-3+21

then addition ;

=>42-3

then subtraction;

=>39

Step-by-step explanation:

hence answer is 39