−18 − (−30) = ____________

Sagot :

Answer:

12

Step-by-step explanation:

-18-(-30)

Remove the parenthesis:

(When there is a "-" in front of an expression in an parenthesis change the sign of each term in the parenthesis)

= -18+30

Calculate the sum:

= 12

Answer:

12

Step-by-step explanation:

-18 - (-30)

negative + negative = positive

so the answer is +12