5) m<EBF= 474
6)m<ABC= 70
5) 20x-10= x+390
5) 20x-10 3x+15+60=474
20x-10=390
3x+15= 24
plug in the x into the equation: (x+20)---> (20x20)=400
400-10= 390
6) 3x+1+2x+14= 28
3x= 9
2x=4
plug in the x into the equation: (3x+1)----> 2x+14= 28
7 is a bit confusing...
8 G and F is confusing me sorry...
this was so fu-cking hard sorry it took long...
