. What value of ¨x¨ makes this equation true?

18.4x - 3.1=12.4x - 16.9

-3.3
2.3
-2.3
-13.8

Which linear equations have an infinite number of solutions? check all that apply.  (x  –  3/7)  =  2/7(3/2x  –  9/14)8(x  +  2)  =  5x  –  1412.3x  –  18  =  3(–6  +  4.1x)(6x  +  10)  =  7(x  –  2)4.2x  –  3.5  =  2.1 (5x  +  8)

Which choice represents the sample space ,s for this event

What is the slope of the line that has an equation of y equals x -3