1. ((3/5)/(16/9)x+12x-36= -906/80
(3/50)/(16/9)=(27/80)(-2/1)=-54/80+24/1= -54+1920/80=1974/80-36/1=1974-2880/80= -906/80
2; 13X-35+2/7-15/8= -4233/6
(13)(-3)=-39-35= -74/1+2/7= -518+2/7= -516/7-15/8= -4128-105/56=-429-33/56
3; 21x-16x-18+23-65+79-45x=-307
-84-80= -164+23= -141-65= -206+79= -127-180= -307
4; ((9/8)(7/14)/(23/6))x+(1/5)x-19= -271012/12880
(9/8)(7/14)= 63/112/(23/60=378/2576(-6/1)= -2268/2576+(1/50)= -11390+2576/12880= -8764/12880(3/1)= -26292/12880-19/1= -26292-244720/12880= -271012/12880
5;(23/4)(65/6)+(2/3)x-16/5)x+22=23481/360
1495/24+-286/15=22425+-6864/360=15561/360+22/1=15561+7920/360=23481/360
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