Question

SOMEONE PLEASE HELP OFFERING LOTS OF POINTS

Answer 1

1) -10+(-7)= -10+7

2)-1(4)= 1(4)

3)1/-1/4= -1+-1/4

4)-10-7=-10-(-7)

Answer 2

-10 + (-7) and -10 - 7
-10 + 7 and -10 - (-7)
-1 / -1/4 and 1(4)
-1(4) and 1 / -1/4