sEGuNdA TaReA

1-.((3/5)/(16/9) x+12x-36=
x=2
x=-2
x=-2=-868/15x=2=148/15

2.- 13x - 35 +2/7 -15/8 =
X= -3
X= 3
x=-3=135/56x=3=4233/56

3.- 21X -16X-18 +23 -65 +79 -45x =
X= -4
X= 5
=-159x=5=196

4.- ((9/8)(7/14)/(23/6))x +(1/5)x -19 =
X= -6=(63/112)/(23/6)=378/2576=(-6/1)=-567/640+1/5=-2835+640/3200=-439/640
x= 3=567/1280(3/1)=567/1280+1/5=283+6400=4115/6400

5.- (23/4)(65/6) + (2/3)x -16/5)x +22 =
X= 5
X= -7
x=5=573/8x=-7=2289/40