Resposta :
a) -2x=26?
x= 26/-2
x= -13
b) -3x=-9?
x= -9/-3
x= 3
c) 8+7x-13x-27-5x?
+7x - 13x -5x= 27 - 8
-11x= 19
[tex]x= -\frac{19}{11}[/tex]
a) -2x=26?
x= 26/-2
x= -13
b) -3x=-9?
x= -9/-3
x= 3
c) 8+7x-13x-27-5x?
+7x - 13x -5x= 27 - 8
-11x= 19
[tex]x= -\frac{19}{11}[/tex]