1.solve for x:x+2=10
A.-12
B.-8
C.8
D.12

2.solve for x: -3x=30
A.-27
B.-10
C.10
D.27

3.the sum of two consecutive integers is 9. Find the two integers.
A.2 and 7
B.3 and 6
C.1 and 8
D.4 and 5