If −3 + (−7) − (+10) = −20 then −10 −7 + (−3) is equal to

If −3 + (−7) − (+10) = −20 then −10 −7 + (

1.	If −3 &plus; (−7) − (&plus;10) = −20 then −10 −7 &plus; (−3) is equal to
A.	20
B.	(−20)
C.	(−15)
D.	15
Answer» C. (−15)