{"id":17895,"date":"2026-05-02T19:49:22","date_gmt":"2026-05-02T13:49:22","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/identify-an-equivalent-expression-2\/"},"modified":"2026-05-02T19:58:22","modified_gmt":"2026-05-02T13:58:22","slug":"identify-an-equivalent-expression-2","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/identify-an-equivalent-expression-2\/","title":{"rendered":"Identify an Equivalent Expression"},"content":{"rendered":"<p>Which expression is equivalent to 3n + 21?<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>3(7n + 1)<\/li>\n<li>10n<\/li>\n<li>3(n + 7)<\/li>\n<li>3(n + 21)<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[2705],"subject":[1425],"education_level":[1893,2494,2495],"class_list":["post-17895","mcq","type-mcq","status-publish","hentry","topic-algebra","subject-mathematics","education_level-grade-5","education_level-grade-6","education_level-grade-7"],"mcq_note":"Both terms share the common factor 3. Factor it out: 3n + 21 = 3(n + 7).","mcq_options":[{"right":"no","answer":"3(7n + 1)"},{"right":"no","answer":"10n"},{"right":"yes","answer":"3(n + 7)"},{"right":"no","answer":"3(n + 21)"}],"multi_answers":"no","subject_terms":[{"id":1425,"title":"Mathematics","slug":"mathematics"}],"topic_terms":[{"id":2705,"title":"Algebra","slug":"algebra"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/17895","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq"}],"about":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/types\/mcq"}],"author":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/users\/39"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/comments?post=17895"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=17895"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=17895"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=17895"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=17895"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}