Answer:
A. 4
Step-by-step explanation:
x-1= 5
Bring the -1 over to the other side...
x=5+1
x=6
Then...
2+x=4
Bring the 2 over...
x=4+(-2)
x=2
so...
the x=6
bring it back...
subtract x=2 from x=6
so that the x=4
6-2=4
