Which expression is equivalent to log12
WXB-2
(x+1)5
?
410912X+log12(x2 – 2)- 5log;2(x-1)
4log12X+
110g12
-5log12X+109121
log124x+1 log12(x2 – 2)=510912(x)+1
410912x+1 log12(x2 2)- 510g12(x+1)

Will mark 50 show all what is the solution to the system of equations? use the substitution method and show your work. -5x+y= -3 -15 x+3y=7 explain what your answer in part (a) tells you about the association of the lines in this system.