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2 =x
b) x=2 sige igual
c) -4x=2
-2 =4x
-2/4=x
-1/2=x
d) 2x+2=8
2x=8-2
x=6/2
x=3
e) -2x-2=-8
8-2=2x
6=2x
6/2=x
3=x
(-1)-x=2(-1) multiplicarlo por menos 1
x=-2
2)
x=2 esa seria la respuesta
3)
-4x=2
x=2/-4
x=-1/2
4)
-2x=4
x=4/-2
x=-2
5)
2x+2=8
2x=8-2
2x=6
x=3
-2x-2=-8
-2x=-8+2
-2x=-6
x=-6/-2
x=3