Question

solve (a) 7-(-4) (b) 140-(-50) (c) (-15)-(-4) (d) (-20)-(-4)

Answer 1

7-(-4)= 11
140-(-50) = 190
-15-(-4)= -11
-20-(-4)= -16

Answer 2

(a)7-(-4)=7+4=11
(b)140-(-50)=140+50=190
(c)(-15)-(-4)=(-15)+4= -11
(d)(-20)-(-4)=(-20)+4= -16