Márcia X studied at the School of Visual Arts Parque Lage in Rio de Janeiro at the beginning of the 1980s. During that period, she participated in the third Salão Nacional de Artes Plásticas, where her performance Cozinhar-te won her the Prêmio Viagem ao País award.[3]
In 1985, she began to collaborate in interventions and performances with the poet and artist Alex Hamburgo.
In 1988 and 1990, she had her first solo shows, Ícones do Gênero Humano, at the Centro Cultural Cândido Mendes, Rio de Janeiro, and Coleção Gênios da Pintura at the Galeria Casa Triângulo, São Paulo.
By 1990, Márcia X started to work on pieces that questioned eroticism, appropriating the symbolic aspect of industrialized sex toys. Her series Fábrica Fallus (1990-2005) utilizes rubber penises ironically juxtaposed with objects and materials usually associated with femininity, childhood and religion. In Os Kaminhas Sutrinhas (1995), headless dolls in pairs or trios mimic sexual acts atop toy beds decorated with childish motifs.[4]
In 2001, Márcia X took part in the exhibition Panorama da Arte Brasileira, at the São Paulo Museum of Modern Art, Rio and Salvador, as well as the third Mercosul Biennial in Porto Alegre.[2] During that period, between 2001 and 2003, she collaborated in group shows with her second husband, sculptor Ricardo Ventura.
At the end of 2005, Márcia X had the piece Desenhando com Terços ("Drawing with rosary beads") in the exhibition "Erótica - Os sentidos da arte", curated by Tadeu Chiarelli for the Centro Cultural Banco do Brasil. Made out of two pairs of rosaries displayed in the shape of penises, the piece was considered offensive for its mixture of Catholicism and eroticism and asked to be removed from the exhibition in April 2006. Despite protests by the artistic community defending freedom of speech, the piece was removed from the show.[5][6] The then Culture Minister, Gilberto Gil, condemned the censorship of the work.
In lieu of the donation of her archives to the Museu de Arte Moderna do Rio de Janeiro in 2013, MAM-RJ organized a retrospective of Márcia X's work in what would be her first solo exhibition since her death in 2005.[7] Alongside her works and documentation of her performances, the exhibition also featured a replica of her studio at Catete, Rio de Janeiro neighborhood.[8]
