Question

answer all the questions please
method​

Answer 1

Answer:

Step-by-step explanation:

See questions ok thanks

Answer 2

Answer:

Step-by-step explanation:

here u just need to fill the given values for the variables then it can be automatically verified

a=75 ; b=84       equation : a-(-b)= a+b

75-(-84)= 75+84

75 +84 [- * - = +] = 75+84

159 = 159

here the way  clearly explained hope it helps you thank you