{"id":2955,"date":"2026-05-19T11:16:42","date_gmt":"2026-05-19T11:16:42","guid":{"rendered":"https:\/\/mcqacademy.com\/zh\/mcq\/write-an-equation-from-a-word-problem-31\/"},"modified":"2026-05-19T11:16:42","modified_gmt":"2026-05-19T11:16:42","slug":"write-an-equation-from-a-word-problem-31","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/zh\/mcq\/write-an-equation-from-a-word-problem-31\/","title":{"rendered":"\u6839\u636e\u6587\u5b57\u9898\u5199\u65b9\u7a0b"},"content":{"rendered":"<p>Rina \u6709 x \u652f\u94c5\u7b14\uff0c\u53c8\u4e70\u4e86 7 \u652f\u3002\u73b0\u5728\u5979\u6709 21 \u652f\u94c5\u7b14\u3002\u54ea\u4e2a\u65b9\u7a0b\u80fd\u6b63\u786e\u8868\u793a\u8fd9\u4e2a\u60c5\u51b5\uff1f<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>7x = 21<\/li>\n<li>x + 7 = 28<\/li>\n<li>x + 7 = 21<\/li>\n<li>x &#8211; 7 = 21<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[1143],"subject":[1080],"education_level":[2,884,885],"class_list":["post-2955","mcq","type-mcq","status-publish","hentry","topic-equations-and-word-problems","subject-algebra","education_level-grade-5","education_level-grade-6","education_level-grade-7"],"mcq_note":"\u53c8\u4e70\u4e86\u4e00\u4e9b\uff0c\u8868\u793a\u8981\u5728\u539f\u6765\u7684\u6570\u91cf x \u4e0a\u76f8\u52a0\u3002\u56e0\u6b64 x + 7 = 21 \u80fd\u6b63\u786e\u8868\u793a\u8fd9\u4e2a\u60c5\u51b5\u3002","mcq_options":[{"right":"no","answer":"7x = 21"},{"right":"no","answer":"x + 7 = 28"},{"right":"yes","answer":"x + 7 = 21"},{"right":"no","answer":"x - 7 = 21"}],"multi_answers":"no","subject_terms":[{"id":1080,"title":"Algebra","slug":"algebra"}],"topic_terms":[{"id":1143,"title":"Equations and Word Problems","slug":"equations-and-word-problems"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/mcq\/2955","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/mcq"}],"about":[{"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/types\/mcq"}],"author":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/users\/39"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/comments?post=2955"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/media?parent=2955"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/topic?post=2955"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/subject?post=2955"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/education_level?post=2955"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}