what value of x will make 
l || m?
12.5
32.5
40
57.5
                                             
                                          
                                          
                                        
											 
											Answer:
because the two angles are corresponding
therefore 40=(4x-90)
40=4x-90
grouping of like terms
40+90=4x
130=4x
130/4=4x/4
32.5