Respuesta :
solve for z
-20=-8z+12
subtract 12 from -20, that equals -32
-32=-8z
divide 8 by -32
-32/8=8z/8
z=-4
-20=-8z+12
subtract 12 from -20, that equals -32
-32=-8z
divide 8 by -32
-32/8=8z/8
z=-4