Change subtraction to addition by adding

by adding a plus sign

Step-by-step explanation: just add it like  1 + 2 =3

Change subtraction into addition by adding the opposite or additive inverse.

For example, to do the subtraction

8 - (-5), change the subtraction to an addition and change -5 into its opposite, or 5.

8 - (-5) = 8 + 5 = 13

b

step-by-step explanation:

u take $75 minus $60.the anwer/original($75)multiply by 100

= 5

step-by-step explanation:

to find the 15th term substitute n = 15 into the nth term formula

= (- 3 × 15 ) + 50 = - 45 + 50 = 5