Respuesta :

1) 2(n-3)=-2+2n
2n-6=-2+2n
2n-2n=-2+6
0 does not equal 4
they are not equal
2) 5+4(x-1)=2x-9
5+4x-4=2x-9
1+4x=2x-9
2x=-8
x=-4